gtkradiant/include/misc_def.h

#ifndef _WIN32

#define WINAPI
#ifndef APIENTRY
	#define APIENTRY
#endif

typedef void* HMODULE;
typedef void* LPVOID;
typedef char* LPCSTR;
typedef char* LPSTR;

#define IsEqualGUID(a,b) (memcmp(&a,&b,sizeof(a)) == 0)

#ifndef GUID_DEFINED
#define GUID_DEFINED
typedef struct _GUID
{
  unsigned long  Data1;
  unsigned short Data2;
  unsigned short Data3;
  unsigned char  Data4[8];
} GUID;
#endif
 
#if defined(__cplusplus)
#ifndef _REFGUID_DEFINED
#define _REFGUID_DEFINED
#define REFGUID const GUID &
#endif // !_REFGUID_DEFINED
#endif

// Message box constants
#define MB_OK                       0x00000000L
#define MB_OKCANCEL                 0x00000001L
#define MB_ABORTRETRYIGNORE         0x00000002L
#define MB_YESNOCANCEL              0x00000003L
#define MB_YESNO                    0x00000004L
#define MB_RETRYCANCEL              0x00000005L

#define MB_ICONHAND                 0x00000010L
#define MB_ICONQUESTION             0x00000020L
#define MB_ICONEXCLAMATION          0x00000030L
#define MB_ICONASTERISK             0x00000040L

#define MB_USERICON                 0x00000080L
#define MB_ICONWARNING              MB_ICONEXCLAMATION
#define MB_ICONERROR                MB_ICONHAND
#define MB_ICONINFORMATION          MB_ICONASTERISK
#define MB_ICONSTOP                 MB_ICONHAND

#define MB_TYPEMASK                 0x0000000FL
#define MB_ICONMASK                 0x000000F0L
#define MB_DEFMASK                  0x00000F00L
#define MB_MODEMASK                 0x00003000L
#define MB_MISCMASK                 0x0000C000L

#define IDOK                1
#define IDCANCEL            2
#define IDABORT             3
#define IDRETRY             4
#define IDIGNORE            5
#define IDYES               6
#define IDNO                7 

#endif