pto 3033 libglibc/regex.c register unsigned char *pto = end + 3; pto 3036 libglibc/regex.c *--pto = *--pfrom; pto 3052 libglibc/regex.c register unsigned char *pto = end + 5; pto 3055 libglibc/regex.c *--pto = *--pfrom;