/* Copyright (c) Mark J. Kilgard & Willam F. Mitchell, 1998. */
-/* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
+/* This program is freely distributable without licensing fees
+ and is provided without guarantee or warrantee expressed or
implied. This program is -not- in the public domain. */
/* This header provides the binding interface for William Mitchell's
typedef void (GLUTCALLBACK *GLUTidleFCB) (void);
/* Functions that set and return Fortran callback functions. */
-extern void* GLUTAPIENTRY __glutGetFCB(int which);
-extern void GLUTAPIENTRY __glutSetFCB(int which, void *func);
+GLUTAPI GLUTproc APIENTRY __glutGetFCB(int which);
+GLUTAPI void APIENTRY __glutSetFCB(int which, GLUTproc func);
#endif /* __glutf90_h__ */