end1              981 ext/mbstring/oniguruma/regexec.c   UChar *p1, *p2, *end1, *s2, *end2;
end1              985 ext/mbstring/oniguruma/regexec.c   end1 = s1 + mblen;
end1              987 ext/mbstring/oniguruma/regexec.c   while (s1 < end1) {
end1              988 ext/mbstring/oniguruma/regexec.c     len1 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s1, end1, buf1);
end1             4574 ext/pcre/pcrelib/pcre_jit_compile.c static const pcre_uchar * SLJIT_CALL do_utf_caselesscmp(pcre_uchar *src1, jit_arguments *args, pcre_uchar *end1)
end1             4583 ext/pcre/pcrelib/pcre_jit_compile.c while (src1 < end1)
end1             3555 ext/standard/string.c 	char *end1 = (char *) txt1 + len1;
end1             3560 ext/standard/string.c 	for (p = (char *) txt1; p < end1; p++) {
end1             3562 ext/standard/string.c 			for (l = 0; (p + l < end1) && (q + l < end2) && (p[l] == q[l]); l++);