UNTITLEDLOCAL UNTITLEDNAMEglutEntryFunc -- Window mouse entry/leave callback.LIBRARYOpenGLUT - inputSYNOPSIS#include <openglut.h> void glutEntryFunc(void( *callback )( int state ));PARAMETERScallback Client window-entry hook.DESCRIPTIONWhen the mouse enters or exits a window (or sub-window), OpenGLUT can report this transition via the Entry callback. state is one of GLUT_LEFT or GLUT_ENTERED respective of whether the mouse left or entered the window. This callback is bound to the current window .SEE ALSOglutPassiveMotionFunc(3) Epoch