progs/redbook: Silence compiler warnings.

62 files changed, 283 insertions, 296 deletions

diff --git a/progs/redbook/aapoly.c b/progs/redbook/aapoly.c
index 757f0f48c43..b7b2b270902 100644
--- a/progs/redbook/aapoly.c
+++ b/progs/redbook/aapoly.c
@@ -59,7 +59,7 @@ static void init(void)
 
 #define NFACE 6
 #define NVERT 8
-void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
+static void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
         GLdouble z0, GLdouble z1)
 {
    static GLfloat v[8][3];
@@ -101,7 +101,7 @@ void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
 /*  Note:  polygons must be drawn from front to back
  *  for proper blending.
  */
-void display(void)
+static void display(void)
 {
    if (polySmooth) {
       glClear (GL_COLOR_BUFFER_BIT);
@@ -126,7 +126,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/redbook/aargb.c b/progs/redbook/aargb.c
index f51984170e6..0021b549c2e 100644
--- a/progs/redbook/aargb.c
+++ b/progs/redbook/aargb.c
@@ -51,7 +51,7 @@ static float rotAngle = 0.;
  *  blending, hint, and line width.  Print out implementation
  *  specific info on line width granularity and width.
  */
-void init(void)
+static void init(void)
 {
    GLfloat values[2];
    glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
@@ -72,7 +72,7 @@ void init(void)
 
 /* Draw 2 diagonal lines to form an X
  */
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -97,7 +97,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -113,7 +113,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'r':
diff --git a/progs/redbook/accanti.c b/progs/redbook/accanti.c
index 12ca16f7a52..d1b25678419 100644
--- a/progs/redbook/accanti.c
+++ b/progs/redbook/accanti.c
@@ -45,7 +45,7 @@
 
 /*  Initialize lighting and other values.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -68,7 +68,7 @@ void myinit(void)
     glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void displayObjects(void)
+static void displayObjects(void)
 {
     GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
     GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
@@ -111,7 +111,7 @@ void displayObjects(void)
 
 #define ACSIZE	8
 
-void display(void)
+static void display(void)
 {
     GLint viewport[4];
     int jitter;
@@ -137,7 +137,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/accpersp.c b/progs/redbook/accpersp.c
index 46e369ae631..e172d0a917f 100644
--- a/progs/redbook/accpersp.c
+++ b/progs/redbook/accpersp.c
@@ -62,7 +62,7 @@
  * probably want to insure that your ModelView matrix has been 
  * initialized to identity before calling accFrustum().
  */
-void accFrustum(GLdouble left, GLdouble right, GLdouble bottom, 
+static void accFrustum(GLdouble left, GLdouble right, GLdouble bottom, 
    GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx, 
    GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -99,7 +99,7 @@ void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
  *
  * Note that accPerspective() calls accFrustum().
  */
-void accPerspective(GLdouble fovy, GLdouble aspect, 
+static void accPerspective(GLdouble fovy, GLdouble aspect, 
    GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy, 
    GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -119,7 +119,7 @@ void accPerspective(GLdouble fovy, GLdouble aspect,
 
 /*  Initialize lighting and other values.
  */
-void init(void)
+static void init(void)
 {
    GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -141,7 +141,7 @@ void init(void)
    glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void displayObjects(void) 
+static void displayObjects(void) 
 {
    GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
    GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
@@ -185,7 +185,7 @@ void displayObjects(void)
 
 #define ACSIZE	8
 
-void display(void)
+static void display(void)
 {
    GLint viewport[4];
    int jitter;
@@ -205,13 +205,13 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/alpha.c b/progs/redbook/alpha.c
index 6eeb45b96f1..b77c65e2c83 100644
--- a/progs/redbook/alpha.c
+++ b/progs/redbook/alpha.c
@@ -80,7 +80,7 @@ static void drawRightTriangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -96,7 +96,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -108,7 +108,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/redbook/alpha3D.c b/progs/redbook/alpha3D.c
index 6169bd162be..494b1879d22 100644
--- a/progs/redbook/alpha3D.c
+++ b/progs/redbook/alpha3D.c
@@ -80,7 +80,7 @@ static void init(void)
    glEndList();
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat mat_solid[] = { 0.75, 0.75, 0.0, 1.0 };
    GLfloat mat_zero[] = { 0.0, 0.0, 0.0, 1.0 };
@@ -113,7 +113,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLint) w, (GLint) h);
    glMatrixMode(GL_PROJECTION);
@@ -128,7 +128,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void animate(void)
+static void animate(void)
 {
    static double t0 = -1.;
    if (solidZ <= MINZ || transparentZ >= MAXZ)
@@ -150,7 +150,7 @@ void animate(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'a':
diff --git a/progs/redbook/anti.c b/progs/redbook/anti.c
index 9eab0bc3511..a97a3ebc948 100644
--- a/progs/redbook/anti.c
+++ b/progs/redbook/anti.c
@@ -49,7 +49,7 @@
  *  blending, hint, and line width.  Print out implementation
  *  specific info on line width granularity and width.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat values[2];
     glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
@@ -73,7 +73,7 @@ void myinit(void)
 
 /*  display() draws an icosahedron with a large alpha value, 1.0.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor4f (1.0, 1.0, 1.0, 1.0);
@@ -81,7 +81,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/bezcurve.c b/progs/redbook/bezcurve.c
index 5dee440396b..60a9c680802 100644
--- a/progs/redbook/bezcurve.c
+++ b/progs/redbook/bezcurve.c
@@ -45,7 +45,7 @@ GLfloat ctrlpoints[4][3] = {
 	{ -4.0, -4.0, 0.0}, { -2.0, 4.0, 0.0}, 
 	{2.0, -4.0, 0.0}, {4.0, 4.0, 0.0}};
 
-void init(void)
+static void init(void)
 {
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -53,7 +53,7 @@ void init(void)
    glEnable(GL_MAP1_VERTEX_3);
 }
 
-void display(void)
+static void display(void)
 {
    int i;
 
@@ -73,7 +73,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -89,7 +89,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/bezmesh.c b/progs/redbook/bezmesh.c
index 55e7e827f2b..1abc7488bcb 100644
--- a/progs/redbook/bezmesh.c
+++ b/progs/redbook/bezmesh.c
@@ -68,7 +68,7 @@ GLfloat ctrlpoints[4][4][3] =
         {1.5, 1.5, -1.0}}
 };
 
-void
+static void
 initlights(void)
 {
     GLfloat ambient[] =
@@ -93,7 +93,7 @@ initlights(void)
     glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
 }
 
-void
+static void
 display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -104,7 +104,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myinit(void)
 {
     glClearColor(0.0, 0.0, 0.0, 1.0);
@@ -118,7 +118,7 @@ myinit(void)
     initlights();       /* for lighted version only */
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/checker.c b/progs/redbook/checker.c
index 06cbae7dd7e..60e6f7b60c8 100644
--- a/progs/redbook/checker.c
+++ b/progs/redbook/checker.c
@@ -50,7 +50,7 @@
 #define	checkImageHeight 64
 GLubyte checkImage[checkImageWidth][checkImageHeight][3];
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
     int i, j, c;
 
@@ -64,7 +64,7 @@ void makeCheckImage(void)
     }
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glClearColor (0.0, 0.0, 0.0, 0.0);
     glEnable(GL_DEPTH_TEST);
@@ -84,7 +84,7 @@ void myinit(void)
     glShadeModel(GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_QUADS);
@@ -101,7 +101,7 @@ void display(void)
     glutSwapBuffers();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/clip.c b/progs/redbook/clip.c
index 90816f2e278..85c464720db 100644
--- a/progs/redbook/clip.c
+++ b/progs/redbook/clip.c
@@ -42,13 +42,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    GLdouble eqn[4] = {0.0, 1.0, 0.0, 0.0};
    GLdouble eqn2[4] = {1.0, 0.0, 0.0, 0.0};
@@ -73,7 +73,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -83,7 +83,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/colormat.c b/progs/redbook/colormat.c
index 9db4491bac5..d77fcb1ed46 100644
--- a/progs/redbook/colormat.c
+++ b/progs/redbook/colormat.c
@@ -49,7 +49,7 @@ GLfloat diffuseMaterial[4] = { 0.5, 0.5, 0.5, 1.0 };
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
@@ -68,14 +68,14 @@ void init(void)
    glEnable(GL_COLOR_MATERIAL);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidSphere(1.0, 20, 16);
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -91,7 +91,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -127,7 +127,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/cube.c b/progs/redbook/cube.c
index 5ecc6280f33..3c6becb2157 100644
--- a/progs/redbook/cube.c
+++ b/progs/redbook/cube.c
@@ -44,13 +44,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -62,7 +62,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -72,7 +72,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/depthcue.c b/progs/redbook/depthcue.c
index a3e5b743aa7..d4b604baf13 100644
--- a/progs/redbook/depthcue.c
+++ b/progs/redbook/depthcue.c
@@ -48,7 +48,7 @@
 
 /*  Initialize linear fog for depth cueing.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat fogColor[4] = {0.0, 0.0, 0.0, 1.0};
 
@@ -67,7 +67,7 @@ void myinit(void)
 
 /*  display() draws an icosahedron.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor3f (1.0, 1.0, 1.0);
@@ -75,7 +75,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/dof.c b/progs/redbook/dof.c
index 6673dc2d54f..8558f02deea 100644
--- a/progs/redbook/dof.c
+++ b/progs/redbook/dof.c
@@ -68,7 +68,7 @@
  *  probably want to insure that your ModelView matrix has been
  *  initialized to identity before calling accFrustum().
  */
-void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
+static void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
     GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
     GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -105,7 +105,7 @@ void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
  *
  *  Note that accPerspective() calls accFrustum().
  */
-void accPerspective(GLdouble fovy, GLdouble aspect,
+static void accPerspective(GLdouble fovy, GLdouble aspect,
     GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
     GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -123,7 +123,7 @@ void accPerspective(GLdouble fovy, GLdouble aspect,
 	pixdx, pixdy, eyedx, eyedy, focus);
 }
 
-void myinit(void)
+static void myinit(void)
 {
     GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -155,7 +155,7 @@ void myinit(void)
     glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
+static void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
     GLfloat ambr, GLfloat ambg, GLfloat ambb,
     GLfloat difr, GLfloat difg, GLfloat difb,
     GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
@@ -182,7 +182,7 @@ void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
  *  magnitude of the accPerspective() jitter; in this example, 0.33.
  *  In this example, the teapots are drawn 8 times.  See jitter.h
  */
-void display(void)
+static void display(void)
 {
     int jitter;
     GLint viewport[4];
@@ -214,7 +214,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
 }
diff --git a/progs/redbook/double.c b/progs/redbook/double.c
index 3153c70cc1d..c4ead224dc8 100644
--- a/progs/redbook/double.c
+++ b/progs/redbook/double.c
@@ -47,7 +47,7 @@
 static GLfloat spin = 0.0;
 static GLdouble t0 = 0.;
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glPushMatrix();
@@ -59,12 +59,12 @@ void display(void)
    glutSwapBuffers();
 }
 
-GLdouble gettime(void)
+static GLdouble gettime(void)
 {
     return (GLdouble)(glutGet(GLUT_ELAPSED_TIME)) / 1000.;
 }
 
-void spinDisplay(void)
+static void spinDisplay(void)
 {
    GLdouble t, dt;
    t = gettime();
@@ -76,13 +76,13 @@ void spinDisplay(void)
    glutPostRedisplay();
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -93,7 +93,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
diff --git a/progs/redbook/drawf.c b/progs/redbook/drawf.c
index 5bcccb6aeac..6c048be7844 100644
--- a/progs/redbook/drawf.c
+++ b/progs/redbook/drawf.c
@@ -48,13 +48,13 @@ GLubyte rasters[24] = {
    0xff, 0x00, 0xff, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
    0xff, 0xc0, 0xff, 0xc0};
 
-void init(void)
+static void init(void)
 {
    glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
    glClearColor (0.0, 0.0, 0.0, 0.0);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -65,7 +65,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -75,7 +75,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/feedback.c b/progs/redbook/feedback.c
index cc685d55d34..3c8c8cc7eaf 100644
--- a/progs/redbook/feedback.c
+++ b/progs/redbook/feedback.c
@@ -48,7 +48,7 @@
 
 /*  Initialize lighting.
  */
-void init(void)
+static void init(void)
 {
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
@@ -58,7 +58,7 @@ void init(void)
  * be clipped.  If in feedback mode, a passthrough token 
  * is issued between the each primitive.
  */
-void drawGeometry (GLenum mode)
+static void drawGeometry (GLenum mode)
 {
    glBegin (GL_LINE_STRIP);
    glNormal3f (0.0, 0.0, 1.0);
@@ -80,8 +80,8 @@ void drawGeometry (GLenum mode)
 }
 
 /* Write contents of one vertex to stdout.	*/
-void print3DcolorVertex (GLint size, GLint *count, 
-                         GLfloat *buffer)
+static void print3DcolorVertex (GLint size, GLint *count, 
+                                GLfloat *buffer)
 {
    int i;
 
@@ -94,7 +94,7 @@ void print3DcolorVertex (GLint size, GLint *count,
 }
 
 /*  Write contents of entire buffer.  (Parse tokens!)	*/
-void printBuffer(GLint size, GLfloat *buffer)
+static void printBuffer(GLint size, GLfloat *buffer)
 {
    GLint count;
    GLfloat token;
@@ -124,7 +124,7 @@ void printBuffer(GLint size, GLfloat *buffer)
    }
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat feedBuffer[1024];
    GLint size;
@@ -148,7 +148,7 @@ void display(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/fog.c b/progs/redbook/fog.c
index 14c7700eccf..4f4b8e3cc0a 100644
--- a/progs/redbook/fog.c
+++ b/progs/redbook/fog.c
@@ -52,7 +52,7 @@
 
 GLint fogMode;
 
-void
+static void
 selectFog(int mode)
 {
     switch(mode) {
@@ -73,7 +73,7 @@ selectFog(int mode)
 /*  Initialize z-buffer, projection matrix, light source,
  *  and lighting model.  Do not specify a material property here.
  */
-void
+static void
 myinit(void)
 {
     GLfloat position[] =
@@ -106,7 +106,7 @@ myinit(void)
     }
 }
 
-void
+static void
 renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
 {
     float mat[4];
@@ -133,7 +133,7 @@ renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
 
 /*  display() draws 5 teapots at different z positions.
  */
-void
+static void
 display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -145,7 +145,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/fogindex.c b/progs/redbook/fogindex.c
index b8bb691e288..6b5aa353caa 100644
--- a/progs/redbook/fogindex.c
+++ b/progs/redbook/fogindex.c
@@ -53,7 +53,7 @@
 #define NUM_COLORS 32
 #define RAMPSTART 16
 
-void
+static void
 myinit(void)
 {
   int i;
@@ -77,7 +77,7 @@ myinit(void)
 
 /*  display() renders 3 cones at different z positions.
  */
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -104,7 +104,7 @@ display(void)
   glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/font.c b/progs/redbook/font.c
index 2d92e9b6003..c7a1035aa99 100644
--- a/progs/redbook/font.c
+++ b/progs/redbook/font.c
@@ -80,7 +80,7 @@ GLubyte letters[][13] = {
 
 GLuint fontOffset;
 
-void makeRasterFont(void)
+static void makeRasterFont(void)
 {
    GLuint i, j;
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
@@ -96,13 +96,13 @@ void makeRasterFont(void)
    glEndList();
 }
 
-void init(void)
+static void init(void)
 {
    glShadeModel (GL_FLAT);
    makeRasterFont();
 }
 
-void printString(char *s)
+static void printString(char *s)
 {
    glPushAttrib (GL_LIST_BIT);
    glListBase(fontOffset);
@@ -115,7 +115,7 @@ void printString(char *s)
  * to call makeRasterFont() before you start making 
  * calls to printString().
  */
-void display(void)
+static void display(void)
 {
    GLfloat white[3] = { 1.0, 1.0, 1.0 };
 
@@ -129,7 +129,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -139,7 +139,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/hello.c b/progs/redbook/hello.c
index fb3dae13252..84183b25b9f 100644
--- a/progs/redbook/hello.c
+++ b/progs/redbook/hello.c
@@ -42,7 +42,7 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-void display(void)
+static void display(void)
 {
 /* clear all pixels  */
    glClear (GL_COLOR_BUFFER_BIT);
@@ -64,7 +64,7 @@ void display(void)
    glFlush ();
 }
 
-void init (void)
+static void init (void)
 {
 /* select clearing color 	*/
    glClearColor (0.0, 0.0, 0.0, 0.0);
diff --git a/progs/redbook/image.c b/progs/redbook/image.c
index dc1a7246eba..fa3b46f5ed4 100644
--- a/progs/redbook/image.c
+++ b/progs/redbook/image.c
@@ -58,7 +58,7 @@ GLubyte checkImage[checkImageHeight][checkImageWidth][3];
 static GLdouble zoomFactor = 1.0;
 static GLint height;
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
    int i, j, c;
     
@@ -72,7 +72,7 @@ void makeCheckImage(void)
    }
 }
 
-void init(void)
+static void init(void)
 {    
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -80,7 +80,7 @@ void init(void)
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glRasterPos2i(0, 0);
@@ -89,7 +89,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    height = (GLint) h;
@@ -100,7 +100,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void motion(int x, int y)
+static void motion(int x, int y)
 {
    static GLint screeny;
    
@@ -113,7 +113,7 @@ void motion(int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'r':
diff --git a/progs/redbook/light.c b/progs/redbook/light.c
index 0eed85e10c2..9431dce508e 100644
--- a/progs/redbook/light.c
+++ b/progs/redbook/light.c
@@ -47,7 +47,7 @@
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat mat_shininess[] = { 50.0 };
@@ -65,14 +65,14 @@ void init(void)
    glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidSphere (1.0, 20, 16);
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -88,7 +88,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/lines.c b/progs/redbook/lines.c
index b34d4c418c6..9f12da9acfe 100644
--- a/progs/redbook/lines.c
+++ b/progs/redbook/lines.c
@@ -46,13 +46,13 @@
 #define drawOneLine(x1,y1,x2,y2)  glBegin(GL_LINES);  \
    glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    int i;
 
@@ -104,7 +104,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -113,7 +113,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/list.c b/progs/redbook/list.c
index 3b4f44bd6da..5dea26fcad1 100644
--- a/progs/redbook/list.c
+++ b/progs/redbook/list.c
@@ -69,7 +69,7 @@ static void drawLine (void)
    glEnd ();
 }
 
-void display(void)
+static void display(void)
 {
    GLuint i;
 
@@ -82,7 +82,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -97,7 +97,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/material.c b/progs/redbook/material.c
index f9a4fc59288..5edddd9ef84 100644
--- a/progs/redbook/material.c
+++ b/progs/redbook/material.c
@@ -49,7 +49,7 @@
 /*  Initialize z-buffer, projection matrix, light source,
  *  and lighting model.  Do not specify a material property here.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -87,7 +87,7 @@ void myinit(void)
  *  glTranslatef() is used to move spheres to their appropriate locations.
  */
 
-void display(void)
+static void display(void)
 {
     GLfloat no_mat[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat mat_ambient[] = { 0.7, 0.7, 0.7, 1.0 };
@@ -260,7 +260,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/mipmap.c b/progs/redbook/mipmap.c
index d32dd725f4b..dadde055bef 100644
--- a/progs/redbook/mipmap.c
+++ b/progs/redbook/mipmap.c
@@ -54,7 +54,7 @@ GLubyte mipmapImage4[4][4][3];
 GLubyte mipmapImage2[2][2][3];
 GLubyte mipmapImage1[1][1][3];
 
-void makeImages(void)
+static void makeImages(void)
 {
     int i, j;
 
@@ -98,7 +98,7 @@ void makeImages(void)
     mipmapImage1[0][0][2] = 255;
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glEnable(GL_DEPTH_TEST);
     glDepthFunc(GL_LESS);
@@ -128,7 +128,7 @@ void myinit(void)
     glEnable(GL_TEXTURE_2D);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_QUADS);
@@ -140,7 +140,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/model.c b/progs/redbook/model.c
index 8411ef355f1..f7c92f4f87c 100644
--- a/progs/redbook/model.c
+++ b/progs/redbook/model.c
@@ -42,13 +42,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void draw_triangle(void)
+static void draw_triangle(void)
 {
    glBegin (GL_LINE_LOOP);
    glVertex2f(0.0, 25.0);
@@ -57,7 +57,7 @@ void draw_triangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -86,7 +86,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -101,7 +101,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/movelight.c b/progs/redbook/movelight.c
index a108cad439a..93758a222a4 100644
--- a/progs/redbook/movelight.c
+++ b/progs/redbook/movelight.c
@@ -58,7 +58,7 @@ static int spin = 0;
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
@@ -72,7 +72,7 @@ void init(void)
  *  light at a new position in world coordinates.  The cube
  *  represents the position of the light.
  */
-void display(void)
+static void display(void)
 {
    GLfloat position[] = { 0.0, 0.0, 1.5, 1.0 };
 
@@ -96,7 +96,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -107,7 +107,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -122,7 +122,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/nurbs.c b/progs/redbook/nurbs.c
index a7c6f0c696e..fe03ce667ed 100644
--- a/progs/redbook/nurbs.c
+++ b/progs/redbook/nurbs.c
@@ -89,7 +89,7 @@ GLUnurbsObj *theNurb;
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
     GLfloat mat_diffuse[] = { 1.0, 0.2, 1.0, 1.0 };
@@ -122,7 +122,7 @@ void myinit(void)
     gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -147,7 +147,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/pickdepth.c b/progs/redbook/pickdepth.c
index ad5bdc81994..91d44a38c0a 100644
--- a/progs/redbook/pickdepth.c
+++ b/progs/redbook/pickdepth.c
@@ -51,7 +51,7 @@
 #include <stdio.h>
 #include <GL/glut.h>
 
-void
+static void
 myinit(void)
 {
   glClearColor(0.0, 0.0, 0.0, 0.0);
@@ -65,7 +65,7 @@ myinit(void)
  *  each rectangle is given the same name.  Note that
  *  each rectangle is drawn with a different z value.
  */
-void
+static void
 drawRects(GLenum mode)
 {
   if (mode == GL_SELECT)
@@ -100,7 +100,7 @@ drawRects(GLenum mode)
 /*  processHits() prints out the contents of the
  *  selection array.
  */
-void
+static void
 processHits(GLint hits, GLuint buffer[])
 {
   GLint i;
@@ -131,7 +131,7 @@ processHits(GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void
+static void
 pickRects(int button, int state, int x, int y)
 {
   GLuint selectBuf[BUFSIZE];
@@ -164,7 +164,7 @@ pickRects(int button, int state, int x, int y)
   processHits(hits, selectBuf);
 }
 
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -172,7 +172,7 @@ display(void)
   glutSwapBuffers();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/picksquare.c b/progs/redbook/picksquare.c
index 636edc97b4b..cc092dbf538 100644
--- a/progs/redbook/picksquare.c
+++ b/progs/redbook/picksquare.c
@@ -49,7 +49,7 @@
 int board[3][3];   /*  amount of color for each square	*/
 
 /*  Clear color value for every square on the board   */
-void init(void)
+static void init(void)
 {
    int i, j;
    for (i = 0; i < 3; i++) 
@@ -64,7 +64,7 @@ void init(void)
  *  square is determined by its position on the grid, and 
  *  the value in the board[][] array.
  */
-void drawSquares(GLenum mode)
+static void drawSquares(GLenum mode)
 {
    GLuint i, j;
    for (i = 0; i < 3; i++) {
@@ -85,7 +85,7 @@ void drawSquares(GLenum mode)
 /*  processHits prints out the contents of the 
  *  selection array.
  */
-void processHits (GLint hits, GLuint buffer[])
+static void processHits (GLint hits, GLuint buffer[])
 {
    GLint i;
    GLuint j, ii = 0, jj = 0, names, *ptr;
@@ -117,7 +117,7 @@ void processHits (GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void pickSquares(int button, int state, int x, int y)
+static void pickSquares(int button, int state, int x, int y)
 {
    GLuint selectBuf[BUFSIZE];
    GLint hits;
@@ -152,14 +152,14 @@ void pickSquares(int button, int state, int x, int y)
    glutPostRedisplay();
 } 
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    drawSquares (GL_RENDER);
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -170,7 +170,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/plane.c b/progs/redbook/plane.c
index dc17f7b2386..2c2e2d24d93 100644
--- a/progs/redbook/plane.c
+++ b/progs/redbook/plane.c
@@ -47,7 +47,7 @@
 
 /*  Initialize material property, light source, and lighting model.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
 /*   mat_specular and mat_shininess are NOT default values	*/
@@ -75,7 +75,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void drawPlane(void)
+static void drawPlane(void)
 {
     glBegin (GL_QUADS);
     glNormal3f (0.0, 0.0, 1.0);
@@ -104,7 +104,7 @@ void drawPlane(void)
     glEnd();
 }
 
-void display (void)
+static void display (void)
 {
     GLfloat infinite_light[] = { 1.0, 1.0, 1.0, 0.0 };
     GLfloat local_light[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -125,7 +125,7 @@ void display (void)
     glFlush ();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport (0, 0, w, h);
     glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/planet.c b/progs/redbook/planet.c
index e13672d3f63..cc428b4e427 100644
--- a/progs/redbook/planet.c
+++ b/progs/redbook/planet.c
@@ -47,13 +47,13 @@
 
 static int year = 0, day = 0;
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -68,7 +68,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -80,7 +80,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 'd':
diff --git a/progs/redbook/polyoff.c b/progs/redbook/polyoff.c
index de34b2e7675..0e0ce86ec91 100644
--- a/progs/redbook/polyoff.c
+++ b/progs/redbook/polyoff.c
@@ -60,7 +60,7 @@ GLboolean doubleBuffer;
 /*  display() draws two spheres, one with a gray, diffuse material,
  *  the other sphere with a magenta material with a specular highlight.
  */
-void display (void)
+static void display (void)
 {
     GLfloat gray[] = { 0.8, 0.8, 0.8, 1.0 };
     GLfloat black[] = { 0.0, 0.0, 0.0, 1.0 };
@@ -108,7 +108,7 @@ void display (void)
  *  create display list with sphere
  *  initialize lighting and depth buffer
  */
-void gfxinit (void)
+static void gfxinit (void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -134,7 +134,7 @@ void gfxinit (void)
 }
 
 /*  call when window is resized  */
-void reshape(int width, int height)
+static void reshape(int width, int height)
 {
     glViewport (0, 0, width, height);
     glMatrixMode (GL_PROJECTION);
@@ -176,7 +176,7 @@ static void Benchmark( float xdiff, float ydiff )
 
 /*  call when mouse button is pressed  */
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y) {
+static void mouse(int button, int state, int x, int y) {
     switch (button) {
 	case GLUT_LEFT_BUTTON:
 	    switch (state) {
@@ -213,7 +213,7 @@ void mouse(int button, int state, int x, int y) {
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
@@ -268,20 +268,7 @@ void keyboard (unsigned char key, int x, int y)
    fflush(stdout);
 }
 
-static void
-key(unsigned char k, int x, int y)
-{
-  switch (k) {
-  case 27:  /* Escape */
-    exit(0);
-    break;
-  default:
-    return;
-  }
-  glutPostRedisplay();
-}
-
-GLenum Args(int argc, char **argv)
+static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
diff --git a/progs/redbook/polys.c b/progs/redbook/polys.c
index 409abd17531..eeffe2301ce 100644
--- a/progs/redbook/polys.c
+++ b/progs/redbook/polys.c
@@ -44,7 +44,7 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-void display(void)
+static void display(void)
 {
     GLubyte fly[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60, 0x04, 0x60, 0x06, 0x20,
@@ -89,7 +89,7 @@ void display(void)
     glFlush ();
 }
 
-void myinit (void)
+static void myinit (void)
 {
 /*  clear background to black	*/
     glClearColor (0.0, 0.0, 0.0, 0.0);
diff --git a/progs/redbook/quadric.c b/progs/redbook/quadric.c
index 7e99098304a..1cbd395e47b 100644
--- a/progs/redbook/quadric.c
+++ b/progs/redbook/quadric.c
@@ -54,7 +54,7 @@
 
 GLuint startList;
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -63,7 +63,7 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void init(void) 
+static void init(void) 
 {
    GLUquadricObj *qobj;
    GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
@@ -120,7 +120,7 @@ void init(void)
    gluDeleteQuadric(qobj);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
@@ -150,7 +150,7 @@ void display(void)
    glFlush();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -166,7 +166,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/robot.c b/progs/redbook/robot.c
index 94e20ac71eb..c90b72ab3ea 100644
--- a/progs/redbook/robot.c
+++ b/progs/redbook/robot.c
@@ -47,13 +47,13 @@
 
 static int shoulder = 0, elbow = 0;
 
-void init(void) 
+static void init(void) 
 {
   glClearColor (0.0, 0.0, 0.0, 0.0);
   glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glPushMatrix();
@@ -77,7 +77,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -89,7 +89,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':
diff --git a/progs/redbook/sccolorlight.c b/progs/redbook/sccolorlight.c
index 0ea750e5846..d9e0a254e90 100644
--- a/progs/redbook/sccolorlight.c
+++ b/progs/redbook/sccolorlight.c
@@ -49,7 +49,7 @@
 
 /*  Initialize material property and light source.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 0.0, 1.0, 1.0 };
@@ -68,7 +68,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glPushMatrix ();
@@ -95,7 +95,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/scene.c b/progs/redbook/scene.c
index c3abc727b78..6f336a8db46 100644
--- a/progs/redbook/scene.c
+++ b/progs/redbook/scene.c
@@ -48,7 +48,7 @@
 
 /*  Initialize material property and light source.
  */
-void myinit (void)
+static void myinit (void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -67,7 +67,7 @@ void myinit (void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display (void)
+static void display (void)
 {
     glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -95,7 +95,7 @@ void display (void)
     glFlush ();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport (0, 0, w, h);
     glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/scenebamb.c b/progs/redbook/scenebamb.c
index e7264d2003f..ea605f8c737 100644
--- a/progs/redbook/scenebamb.c
+++ b/progs/redbook/scenebamb.c
@@ -47,7 +47,7 @@
 
 /*  Initialize light source and lighting.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 1.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -66,7 +66,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -94,7 +94,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/sceneflat.c b/progs/redbook/sceneflat.c
index 10891fb9977..1b277334f5c 100644
--- a/progs/redbook/sceneflat.c
+++ b/progs/redbook/sceneflat.c
@@ -46,7 +46,7 @@
 
 /*  Initialize light source and shading model (GL_FLAT).
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -66,7 +66,7 @@ void myinit(void)
     glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -94,7 +94,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/select.c b/progs/redbook/select.c
index 928373b8796..537d5194d46 100644
--- a/progs/redbook/select.c
+++ b/progs/redbook/select.c
@@ -57,7 +57,7 @@
 /* draw a triangle with vertices at (x1, y1), (x2, y2) 
  * and (x3, y3) at z units away from the origin.
  */
-void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2, 
+static void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2, 
     GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
 {
    glBegin (GL_TRIANGLES);
@@ -68,8 +68,8 @@ void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2,
 }
 
 /* draw a rectangular box with these outer x, y, and z values */
-void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1, 
-                     GLfloat y2, GLfloat z1, GLfloat z2)
+static void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1, 
+                            GLfloat y2, GLfloat z1, GLfloat z2)
 {
    glColor3f (1.0, 1.0, 1.0);
    glBegin (GL_LINE_LOOP);
@@ -101,7 +101,7 @@ void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1,
 /* drawScene draws 4 triangles and a wire frame
  * which represents the viewing volume.
  */
-void drawScene (void)
+static void drawScene (void)
 {
    glMatrixMode (GL_PROJECTION);
    glLoadIdentity ();
@@ -122,7 +122,7 @@ void drawScene (void)
 
 /* processHits prints out the contents of the selection array
  */
-void processHits (GLint hits, GLuint buffer[])
+static void processHits (GLint hits, GLuint buffer[])
 {
    GLint i;
    GLuint j, names, *ptr;
@@ -150,7 +150,7 @@ void processHits (GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void selectObjects(void)
+static void selectObjects(void)
 {
    GLuint selectBuf[BUFSIZE];
    GLint hits;
@@ -181,13 +181,13 @@ void selectObjects(void)
    processHits (hits, selectBuf);
 } 
 
-void init (void) 
+static void init (void) 
 {
    glEnable(GL_DEPTH_TEST);
    glShadeModel(GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -197,7 +197,7 @@ void display(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/smooth.c b/progs/redbook/smooth.c
index 9d22fc90251..874033d5adf 100644
--- a/progs/redbook/smooth.c
+++ b/progs/redbook/smooth.c
@@ -43,13 +43,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
 }
 
-void triangle(void)
+static void triangle(void)
 {
    glBegin (GL_TRIANGLES);
    glColor3f (1.0, 0.0, 0.0);
@@ -61,14 +61,14 @@ void triangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    triangle ();
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -81,7 +81,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/stencil.c b/progs/redbook/stencil.c
index b33e40a0307..5325abf8b77 100644
--- a/progs/redbook/stencil.c
+++ b/progs/redbook/stencil.c
@@ -64,7 +64,7 @@
 #define YELLOWMAT   1
 #define BLUEMAT 2
 
-void myinit (void)
+static void myinit (void)
 {
     GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
     GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -101,7 +101,7 @@ void myinit (void)
 /*  Draw a sphere in a diamond-shaped section in the
  *  middle of a window with 2 tori.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -132,7 +132,7 @@ void display(void)
 /*  Whenever the window is reshaped, redefine the
  *  coordinate system and redraw the stencil area.
  */
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
 
diff --git a/progs/redbook/stroke.c b/progs/redbook/stroke.c
index 19b0391cbae..68b639abf4f 100644
--- a/progs/redbook/stroke.c
+++ b/progs/redbook/stroke.c
@@ -87,7 +87,7 @@ CP Sdata[] = {
 /*  drawLetter() interprets the instructions from the array
  *  for that letter and renders the letter with line segments.
  */
-void drawLetter(CP *l)
+static void drawLetter(CP *l)
 {
     glBegin(GL_LINE_STRIP);
     for (;;) {
@@ -111,7 +111,7 @@ void drawLetter(CP *l)
 }
 
 /*  Create a display list for each of 6 characters	*/
-void myinit (void)
+static void myinit (void)
 {
     GLuint base;
 
@@ -130,13 +130,13 @@ void myinit (void)
 char *test1 = "A SPARE SERAPE APPEARS AS";
 char *test2 = "APES PREPARE RARE PEPPERS";
 
-void printStrokedString(char *s)
+static void printStrokedString(char *s)
 {
     GLsizei len = (GLsizei) strlen(s);
     glCallLists(len, GL_BYTE, (GLbyte *)s);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT);
     glColor3f(1.0, 1.0, 1.0);
diff --git a/progs/redbook/surface.c b/progs/redbook/surface.c
index e33ce14f4fc..f0c5ab0b47c 100644
--- a/progs/redbook/surface.c
+++ b/progs/redbook/surface.c
@@ -53,7 +53,7 @@ GLUnurbsObj *theNurb;
  *  Initializes the control points of the surface to a small hill.
  *  The control points range from -3 to +3 in x, y, and z
  */
-void init_surface(void)
+static void init_surface(void)
 {
     int u, v;
     for (u = 0; u < 4; u++) {
@@ -71,7 +71,7 @@ void init_surface(void)
 
 /*  Initialize material property and depth buffer.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -100,7 +100,7 @@ void myinit(void)
     glTranslatef (0.0, 0.0, -5.0);
 }
 
-void display(void)
+static void display(void)
 {
     GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
     int i, j;
@@ -140,7 +140,7 @@ void display(void)
     glutSwapBuffers();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
@@ -150,7 +150,7 @@ void reshape(int w, int h)
     glMatrixMode(GL_MODELVIEW);
 }
 
-void
+static void
 menu(int value)
 {
     switch (value) {
@@ -171,7 +171,7 @@ menu(int value)
 int down = 0, lastx;
 
 /* ARGSUSED1 */
-void
+static void
 motion(int x, int y)
 {
     if (down) {
@@ -182,7 +182,7 @@ motion(int x, int y)
 }
 
 /* ARGSUSED3 */
-void
+static void
 mouse(int button, int state, int x, int y)
 {
     if (button == GLUT_LEFT_BUTTON) {
diff --git a/progs/redbook/teaambient.c b/progs/redbook/teaambient.c
index 53b5111752f..20ff1a4a33b 100644
--- a/progs/redbook/teaambient.c
+++ b/progs/redbook/teaambient.c
@@ -47,7 +47,7 @@
 
 /*  Initialize light source and lighting model.
  */
-void
+static void
 myinit(void)
 {
     GLfloat light_ambient[] =
@@ -78,7 +78,7 @@ myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void
+static void
 display(void)
 {
     GLfloat low_ambient[] =
@@ -114,7 +114,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/teapots.c b/progs/redbook/teapots.c
index fb7aed380eb..102c18a3e33 100644
--- a/progs/redbook/teapots.c
+++ b/progs/redbook/teapots.c
@@ -49,7 +49,7 @@
  * Initialize depth buffer, projection matrix, light source, and lighting
  * model.  Do not specify a material property here.
  */
-void
+static void
 myinit(void)
 {
   GLfloat ambient[] =
@@ -83,7 +83,7 @@ myinit(void)
  * Move object into position.  Use 3rd through 12th parameters to specify the
  * material property.  Draw a teapot.
  */
-void
+static void
 renderTeapot(GLfloat x, GLfloat y,
   GLfloat ambr, GLfloat ambg, GLfloat ambb,
   GLfloat difr, GLfloat difg, GLfloat difb,
@@ -117,7 +117,7 @@ renderTeapot(GLfloat x, GLfloat y,
  *  3rd column:  black, cyan, green, red, white, yellow plastic
  *  4th column:  black, cyan, green, red, white, yellow rubber
  */
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -173,7 +173,7 @@ display(void)
   glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/tess.c b/progs/redbook/tess.c
index 238a469aff2..0bf8a8eb986 100644
--- a/progs/redbook/tess.c
+++ b/progs/redbook/tess.c
@@ -61,7 +61,7 @@
 
 GLuint startList;
 
-void display (void) {
+static void display (void) {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0, 1.0, 1.0);
    glCallList(startList);
@@ -69,12 +69,12 @@ void display (void) {
    glFlush();
 }
 
-void CALLBACK beginCallback(GLenum which)
+static void CALLBACK beginCallback(GLenum which)
 {
    glBegin(which);
 }
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -83,12 +83,12 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void CALLBACK endCallback(void)
+static void CALLBACK endCallback(void)
 {
    glEnd();
 }
 
-void CALLBACK vertexCallback(GLvoid *vertex)
+static void CALLBACK vertexCallback(GLvoid *vertex)
 {
    const GLdouble *pointer;
 
@@ -102,7 +102,7 @@ void CALLBACK vertexCallback(GLvoid *vertex)
  *  but weight[4] may be used to average color, normal, or texture
  *  coordinate data.  In this program, color is weighted.
  */
-void CALLBACK combineCallback(GLdouble coords[3],
+static void CALLBACK combineCallback(GLdouble coords[3],
                      GLdouble *vertex_data[4],
                      GLfloat weight[4], GLdouble **dataOut )
 {
@@ -122,7 +122,7 @@ void CALLBACK combineCallback(GLdouble coords[3],
    *dataOut = vertex;
 }
 
-void init (void)
+static void init (void)
 {
    GLUtesselator *tobj;
    GLdouble rect[4][3] = {{50.0, 50.0, 0.0},
@@ -199,7 +199,7 @@ void init (void)
    gluDeleteTess(tobj);
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -208,7 +208,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/tesswind.c b/progs/redbook/tesswind.c
index 7d00c9f907d..4729880a57e 100644
--- a/progs/redbook/tesswind.c
+++ b/progs/redbook/tesswind.c
@@ -61,7 +61,7 @@ GLuint list;
 /*  Make four display lists, 
  *  each with a different tessellated object. 
  */
-void makeNewLists (void) {
+static void makeNewLists (void) {
    int i;
    static GLdouble rects[12][3] = 
       {{ 50.0,  50.0, 0.0}, {300.0,  50.0, 0.0}, 
@@ -153,7 +153,7 @@ void makeNewLists (void) {
    glEndList();
 }
 
-void display (void) {
+static void display (void) {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0, 1.0, 1.0);
    glPushMatrix(); 
@@ -168,12 +168,12 @@ void display (void) {
    glFlush();
 }
 
-void CALLBACK beginCallback(GLenum which)
+static void CALLBACK beginCallback(GLenum which)
 {
    glBegin(which);
 }
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -182,7 +182,7 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void CALLBACK endCallback(void)
+static void CALLBACK endCallback(void)
 {
    glEnd();
 }
@@ -193,7 +193,7 @@ void CALLBACK endCallback(void)
  *  coordinate data.
  */
 /* ARGSUSED */
-void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
+static void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
                      GLfloat weight[4], GLdouble **dataOut )
 {
    GLdouble *vertex;
@@ -205,7 +205,7 @@ void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
    *dataOut = vertex;
 }
 
-void init(void) 
+static void init(void) 
 {
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);    
@@ -226,7 +226,7 @@ void init(void)
    makeNewLists();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -240,7 +240,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'w':
diff --git a/progs/redbook/texbind.c b/progs/redbook/texbind.c
index 6a828ab2bdf..b6404b32d8c 100644
--- a/progs/redbook/texbind.c
+++ b/progs/redbook/texbind.c
@@ -52,7 +52,7 @@ static GLubyte otherImage[checkImageHeight][checkImageWidth][4];
 
 static GLuint texName[2];
 
-void makeCheckImages(void)
+static void makeCheckImages(void)
 {
    int i, j, c;
 
@@ -72,7 +72,7 @@ void makeCheckImages(void)
    }
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -105,7 +105,7 @@ void init(void)
    glEnable(GL_TEXTURE_2D);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glBindTexture(GL_TEXTURE_2D, texName[0]);
@@ -125,7 +125,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/texgen.c b/progs/redbook/texgen.c
index 7c1802a3be9..5cb97e5a43d 100644
--- a/progs/redbook/texgen.c
+++ b/progs/redbook/texgen.c
@@ -60,7 +60,7 @@ GLubyte stripeImage[4*stripeImageWidth];
 static GLuint texName;
 #endif
 
-void makeStripeImage(void)
+static void makeStripeImage(void)
 {
    int j;
     
@@ -79,7 +79,7 @@ static GLfloat *currentCoeff;
 static GLenum currentPlane;
 static GLint currentGenMode;
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glEnable(GL_DEPTH_TEST);
@@ -122,7 +122,7 @@ void init(void)
    glMaterialf (GL_FRONT, GL_SHININESS, 64.0);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -136,7 +136,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -152,7 +152,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 'e':
diff --git a/progs/redbook/texprox.c b/progs/redbook/texprox.c
index 6f1e853facd..c2d699a71b2 100644
--- a/progs/redbook/texprox.c
+++ b/progs/redbook/texprox.c
@@ -53,7 +53,7 @@
 #define GL_TEXTURE_INTERNAL_FORMAT GL_TEXTURE_COMPONENTS
 #endif
 
-void init(void) 
+static void init(void) 
 {
    GLint proxyComponents;
 
@@ -84,12 +84,12 @@ void init(void)
    putchar('\n');
 }
 
-void display(void)
+static void display(void)
 {
    exit(0);
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/texsub.c b/progs/redbook/texsub.c
index 4e829675aba..7827d5a45f3 100644
--- a/progs/redbook/texsub.c
+++ b/progs/redbook/texsub.c
@@ -58,7 +58,7 @@ static GLubyte subImage[subImageHeight][subImageWidth][4];
 
 static GLuint texName;
 
-void makeCheckImages(void)
+static void makeCheckImages(void)
 {
    int i, j, c;
 
@@ -82,7 +82,7 @@ void makeCheckImages(void)
    }
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -102,7 +102,7 @@ void init(void)
                 0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glEnable(GL_TEXTURE_2D);
@@ -123,7 +123,7 @@ void display(void)
    glDisable(GL_TEXTURE_2D);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -135,7 +135,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':
diff --git a/progs/redbook/texturesurf.c b/progs/redbook/texturesurf.c
index 0170070eaa5..2023072dba8 100644
--- a/progs/redbook/texturesurf.c
+++ b/progs/redbook/texturesurf.c
@@ -60,7 +60,7 @@ GLfloat ctrlpoints[4][4][3] = {
 GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
 			{{1.0, 0.0}, {1.0, 1.0}}};
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor3f(1.0, 1.0, 1.0);
@@ -72,7 +72,7 @@ void display(void)
 #define	imageHeight 64
 GLubyte image[3*imageWidth*imageHeight];
 
-void makeImage(void)
+static void makeImage(void)
 {
     int i, j;
     float ti, tj;
@@ -89,7 +89,7 @@ void makeImage(void)
     }
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
 	    0, 1, 12, 4, &ctrlpoints[0][0][0]);
@@ -112,7 +112,7 @@ void myinit(void)
     glShadeModel (GL_FLAT);
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/torus.c b/progs/redbook/torus.c
index 7ae4d41e263..a67d48e0f59 100644
--- a/progs/redbook/torus.c
+++ b/progs/redbook/torus.c
@@ -89,7 +89,7 @@ static void init(void)
 }
 
 /* Clear window and draw torus */
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -98,7 +98,7 @@ void display(void)
 }
 
 /* Handle window resize */
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -112,7 +112,7 @@ void reshape(int w, int h)
 /* Rotate about x-axis when "x" typed; rotate about y-axis
    when "y" typed; "i" returns torus to original view */
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
    case 'x':
diff --git a/progs/redbook/trim.c b/progs/redbook/trim.c
index f17674f6840..216f62a7c2f 100644
--- a/progs/redbook/trim.c
+++ b/progs/redbook/trim.c
@@ -59,7 +59,7 @@ GLUnurbsObj *theNurb;
  *  Initializes the control points of the surface to a small hill.
  *  The control points range from -3 to +3 in x, y, and z
  */
-void init_surface(void)
+static void init_surface(void)
 {
    int u, v;
    for (u = 0; u < 4; u++) {
@@ -75,7 +75,7 @@ void init_surface(void)
    }
 }
 
-void nurbsError(GLenum errorCode)
+static void nurbsError(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -86,7 +86,7 @@ void nurbsError(GLenum errorCode)
 			
 /*  Initialize material property and depth buffer.
  */
-void init(void)
+static void init(void)
 {
    GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -112,7 +112,7 @@ void init(void)
                     (GLvoid (CALLBACK*) ()) nurbsError);
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
    GLfloat edgePt[5][2] = /* counter clockwise */
@@ -147,7 +147,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -160,7 +160,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/unproject.c b/progs/redbook/unproject.c
index 134c361bac5..6d1c7dbeded 100644
--- a/progs/redbook/unproject.c
+++ b/progs/redbook/unproject.c
@@ -45,14 +45,14 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glFlush();
 }
 
 /* Change these values for a different transformation  */
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -62,7 +62,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void mouse(int button, int state, int x, int y) 
+static void mouse(int button, int state, int x, int y) 
 {
    GLint viewport[4];
    GLdouble mvmatrix[16], projmatrix[16];
@@ -98,7 +98,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/varray.c b/progs/redbook/varray.c
index b22e723e0ec..8ce39d77633 100644
--- a/progs/redbook/varray.c
+++ b/progs/redbook/varray.c
@@ -54,7 +54,7 @@
 int setupMethod = POINTER;
 int derefMethod = DRAWARRAY;
 
-void setupPointers(void)
+static void setupPointers(void)
 {
    static GLint vertices[] = {25, 25,
                        100, 325,
@@ -76,7 +76,7 @@ void setupPointers(void)
    glColorPointer (3, GL_FLOAT, 0, colors);
 }
 
-void setupInterleave(void)
+static void setupInterleave(void)
 {
    static GLfloat intertwined[] =
       {1.0, 0.2, 1.0, 100.0, 100.0, 0.0,
@@ -89,14 +89,14 @@ void setupInterleave(void)
    glInterleavedArrays (GL_C3F_V3F, 0, intertwined);
 }
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
    setupPointers ();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
 
@@ -117,7 +117,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -126,7 +126,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse (int button, int state, int x, int y)
+static void mouse (int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -160,7 +160,7 @@ void mouse (int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/wrap.c b/progs/redbook/wrap.c
index f9a1f162ab6..67749716e83 100644
--- a/progs/redbook/wrap.c
+++ b/progs/redbook/wrap.c
@@ -59,7 +59,7 @@ static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
 static GLuint texName;
 #endif
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
    int i, j, c;
     
@@ -74,7 +74,7 @@ void makeCheckImage(void)
    }
 }
 
-void init(void)
+static void init(void)
 {    
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -101,7 +101,7 @@ void init(void)
 #endif
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glEnable(GL_TEXTURE_2D);
@@ -125,7 +125,7 @@ void display(void)
    glDisable(GL_TEXTURE_2D);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':