2362                    const char *to_s, Py_ssize_t to_len,  in replace_interleave()  argument
2385     if (to_len > (PY_SSIZE_T_MAX - self_len) / count) {  in replace_interleave()
2390     result_len = count * to_len + self_len;  in replace_interleave()
2401     Py_MEMCPY(result_s, to_s, to_len);  in replace_interleave()
2402     result_s += to_len;  in replace_interleave()
2407         Py_MEMCPY(result_s, to_s, to_len);  in replace_interleave()
2408         result_s += to_len;  in replace_interleave()
2561                            const char *to_s, Py_ssize_t to_len,  in replace_substring_in_place()  argument
2612                          const char *to_s, Py_ssize_t to_len,  in replace_single_character()  argument
2633     if (to_len - 1 > (PY_SSIZE_T_MAX - self_len) / count) {  in replace_single_character()
2637     result_len = self_len + count * (to_len - 1);  in replace_single_character()
2653             Py_MEMCPY(result_s, to_s, to_len);  in replace_single_character()
2654             result_s += to_len;  in replace_single_character()
2660             Py_MEMCPY(result_s, to_s, to_len);  in replace_single_character()
2661             result_s += to_len;  in replace_single_character()
2675                   const char *to_s, Py_ssize_t to_len,  in replace_substring()  argument
2698     if (to_len - from_len > (PY_SSIZE_T_MAX - self_len) / count) {  in replace_substring()
2702     result_len = self_len + count * (to_len - from_len);  in replace_substring()
2720             Py_MEMCPY(result_s, to_s, to_len);  in replace_substring()
2721             result_s += to_len;  in replace_substring()
2727             Py_MEMCPY(result_s, to_s, to_len);  in replace_substring()
2728             result_s += to_len;  in replace_substring()
2742     const char *to_s, Py_ssize_t to_len,  in replace()  argument
2753         (from_len == 0 && to_len == 0)) {  in replace()
2764         return replace_interleave(self, to_s, to_len, maxcount);  in replace()
2774     if (to_len == 0) {  in replace()
2786     if (from_len == to_len) {  in replace()
2795                 self, from_s, from_len, to_s, to_len, maxcount);  in replace()
2802                                         to_s, to_len, maxcount);  in replace()
2805         return replace_substring(self, from_s, from_len, to_s, to_len, maxcount);  in replace()
2822     Py_ssize_t from_len, to_len;  in string_replace()  local
2841         to_len = PyString_GET_SIZE(to);  in string_replace()
2848     else if (PyObject_AsCharBuffer(to, &to_s, &to_len))  in string_replace()
2853                                to_s, to_len, count);  in string_replace()