progs/redbook: Silence compiler warnings.

1 files changed, 3 insertions, 3 deletions

diff --git a/progs/redbook/nurbs.c b/progs/redbook/nurbs.c
index a7c6f0c696..fe03ce667e 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);