_build/extensions/cFunctions/utils.h
extern void ErrorExit(LPTSTR lpszFunction);
extern void dbgprint(const char *fmt, ...);
//#define DEBUG
#ifdef DEBUG
#define DBG dbgprint
#else
#define DBG(args)
#endif
#define RAISE_SYSTEMERR(msg) {PyErr_SetString(PyExc_SystemError, msg); return NULL;}