Problem with glut.h [closed]

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I'm using Eclipse CDT with MinGW. I must compile and run a c++ program with OpenGL. I have just configured the include e lib directories of MinGW and I have just runned several OpenGL programs in C with Eclipse CDT.

This time I have a problem. This program contains a glut.h file. In this file 开发者_如何学JAVAI have this section of code:

#if defined(_WIN32)
# ifndef GLUT_BUILDING_LIB
//extern _CRTIMP void __cdecl exit(int);
_CRTIMP __declspec (noreturn) void __cdecl exit (_In_ int _Code);
# endif
...

If I build the project I received 2 errors:

..\src\glut.h:153: error: variable or field 'exit' declared void
..\src\glut.h:153: error: '_In_' was not declared in this scope

and I don't know why...