scanflags_t
extern scanflags_t* _sf_stk;
scanflags_t* _sf_stk = NULL;
_sf_stk = (scanflags_t*) realloc ( (void*) _sf_stk, sizeof(scanflags_t) * (_sf_max += 32));
_sf_stk = (scanflags_t*) malloc ( sizeof(scanflags_t) * (_sf_max = 32));
(void *)sizeof(scanflags_t));