37 	struct bitmap   bm;  in bm_alloc()  local
40 	bm.size = size;  in bm_alloc()
41 	bm.map = malloc(szmap);  in bm_alloc()
42 	if (bm.map)  in bm_alloc()
43 		memset(bm.map, 0, szmap);  in bm_alloc()
44 	return bm;  in bm_alloc()
48 bm_dealloc(struct bitmap * bm)  in bm_dealloc()  argument
50 	free(bm->map);  in bm_dealloc()
61 bm_setbit(struct bitmap * bm, int pos)  in bm_setbit()  argument
66 	bm->map[pos] |= bmask;  in bm_setbit()
70 bm_clrbit(struct bitmap * bm, int pos)  in bm_clrbit()  argument
75 	bm->map[pos] &= ~bmask;  in bm_clrbit()
79 bm_isset(struct bitmap * bm, int pos)  in bm_isset()  argument
84 	return !!(bm->map[pos] & bmask);  in bm_isset()
88 bm_firstunset(struct bitmap * bm)  in bm_firstunset()  argument
90 	int             szmap = (bm->size / 8) + !!(bm->size % 8);  in bm_firstunset()
95 		unsigned char   bmv = bm->map[pos++];  in bm_firstunset()
109 bm_lastset(struct bitmap * bm)  in bm_lastset()  argument
111 	int             szmap = (bm->size / 8) + !!(bm->size % 8);  in bm_lastset()
117 		unsigned char   bmv = bm->map[pos++];  in bm_lastset()