rb_memcmp        712 string.c           retval = rb_memcmp(RSTRING(str1)->ptr, RSTRING(str2)->ptr, len);
rb_memcmp        803 string.c       	if (rb_memcmp(s, p, len) == 0) {
rb_memcmp        886 string.c       	    if (rb_memcmp(s, t, len) == 0) {
rb_memcmp        2626 string.c       	     rb_memcmp(RSTRING(rs)->ptr, p-rslen, rslen) == 0)) {
rb_memcmp        2767 string.c       	 rb_memcmp(RSTRING(rs)->ptr, p+len-rslen, rslen) == 0)) {