584     bufsize pos = 0;  in buf_get_pos()  local
596     pos = buf - (unsigned long)bf - sizeof(struct bhead) - hdr_size;  in buf_get_pos()
598     if (pos == 0) /* exact match */  in buf_get_pos()
599         return pos;  in buf_get_pos()
600     if (pos >= SizeQ + sizeof(struct bhead)) /* room for an empty buffer */  in buf_get_pos()
601         return pos;  in buf_get_pos()
660     bufsize pos;  local
717             pos = buf_get_pos(b, align, hdr_size, size);
718             if (pos >= 0) {
730             pos = buf_get_pos(b, align, hdr_size, size);
731             if (pos >= 0) {
732                 struct bhead *b_alloc = BH((char *)b + pos);
735 		bufsize add_sz = pos;
748                 if (pos == 0) {
763                     b_alloc->bsize = -(b->bh.bsize - pos);
764                     b_alloc->prevfree = pos;
765                     b->bh.bsize = pos;