usr.bin/grep/grep.c

610       size_t match_offset;
611       while ((match_offset = (*execute) (beg, lim - beg, &match_size, 1))
614 	  char const *b = beg + match_offset;
635       size_t match_offset;
636       while (lim-beg && (match_offset = (*execute) (beg, lim - beg, &match_size, 1))
639 	  char const *b = beg + match_offset;
646 	  fwrite (beg, sizeof (char), match_offset, stdout);
755   size_t match_offset;
760   while ((match_offset = (*execute) (p, lim - p, &match_size, 0)) != (size_t) -1)
762       char const *b = p + match_offset;