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Diffstat (limited to 'progs/redbook/surface.c')
-rw-r--r-- | progs/redbook/surface.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/progs/redbook/surface.c b/progs/redbook/surface.c index 8ff15741889..e33ce14f4fc 100644 --- a/progs/redbook/surface.c +++ b/progs/redbook/surface.c @@ -41,6 +41,7 @@ * This program draws a NURBS surface in the shape of a * symmetrical hill. */ +#include <stdlib.h> #include <GL/glut.h> GLfloat ctlpoints[4][4][3]; |