Index: myglut.h
===================================================================
--- myglut.h	(revision 504)
+++ myglut.h	(revision 505)
@@ -85,6 +85,7 @@
 __rayapi void glutDisplayFunc(void *func);
 __rayapi void glutIdleFunc(void *func);
 __rayapi int  glutExtensionSupported(const char *name);
+__rayapi void glutManualLoop(void);
 __rayapi void glutMainLoop(void);
 __rayapi void glutWireSphere(GLdouble radius, GLint slices, GLint stacks);
 __rayapi void myglutCreateWindow(GLuint tx, GLuint ty, signed char rendering, char *name);