glutgetprocaddress(3) centos man page | unix.com

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NAME
     glutGetProcAddress -- Determine if an OpenGLUT feature or extension is available.

LIBRARY
     OpenGLUT - openglut

SYNOPSIS
     #include <openglut.h>

     void
     glutGetProcAddress(const char *procName);

PARAMETERS
      procName	   Procedure name.

DESCRIPTION
     Given a function name, searches for the function (or "procedure", hence "Proc") in internal tables.  If the function is found, a pointer to
     the function is returned.	If the function is not found,  NULL  is returned.

     In addition to an internal OpenGLUT table, this function will also consult glX (on X systems) or wgl (on WIN32 and WINCE), if the OpenGLUT
     tables do not have the requested function.  It should return any OpenGL, glX, or wgl function if those functions are available.

CAVEATS
     The code makes no effort towards efficiency. It is advised that you cache the pointer retrieved from this function if you need a certain
     function repeatedly.

SEE ALSO
     glXGetProcAddress(3) wglGetProcAddress(3)

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