errno_t __cdecl _set_errno(_In_ int _Value)
_TCHAR * _tcscpy(_TCHAR *to, const _TCHAR *from)
DWORD WINAPI GetLastError(VOID)
GLenum GLuint GLenum GLsizei const GLchar * buf
#define GetCurrentDirectory
void _dosmaperr(unsigned long oserrcode)
_TCHAR * _tgetcwd(_TCHAR *buf, int size)