2356                    const char *to_s, Py_ssize_t to_len,  in replace_interleave()  argument
2373     product = count * to_len;  in replace_interleave()
2374     if (product / to_len != count) {  in replace_interleave()
2396     Py_MEMCPY(result_s, to_s, to_len);  in replace_interleave()
2397     result_s += to_len;  in replace_interleave()
2402         Py_MEMCPY(result_s, to_s, to_len);  in replace_interleave()
2403         result_s += to_len;  in replace_interleave()
2556                            const char *to_s, Py_ssize_t to_len,  in replace_substring_in_place()  argument
2607                          const char *to_s, Py_ssize_t to_len,  in replace_single_character()  argument
2627     product = count * (to_len-1);  in replace_single_character()
2628     if (product / (to_len-1) != count) {  in replace_single_character()
2652             Py_MEMCPY(result_s, to_s, to_len);  in replace_single_character()
2653             result_s += to_len;  in replace_single_character()
2659             Py_MEMCPY(result_s, to_s, to_len);  in replace_single_character()
2660             result_s += to_len;  in replace_single_character()
2674                   const char *to_s, Py_ssize_t to_len,  in replace_substring()  argument
2696     product = count * (to_len-from_len);  in replace_substring()
2697     if (product / (to_len-from_len) != count) {  in replace_substring()
2723             Py_MEMCPY(result_s, to_s, to_len);  in replace_substring()
2724             result_s += to_len;  in replace_substring()
2730             Py_MEMCPY(result_s, to_s, to_len);  in replace_substring()
2731             result_s += to_len;  in replace_substring()
2745     const char *to_s, Py_ssize_t to_len,  in replace()  argument
2756         (from_len == 0 && to_len == 0)) {  in replace()
2767         return replace_interleave(self, to_s, to_len, maxcount);  in replace()
2777     if (to_len == 0) {  in replace()
2789     if (from_len == to_len) {  in replace()
2798                 self, from_s, from_len, to_s, to_len, maxcount);  in replace()
2805                                         to_s, to_len, maxcount);  in replace()
2808         return replace_substring(self, from_s, from_len, to_s, to_len, maxcount);  in replace()
2825     Py_ssize_t from_len, to_len;  in string_replace()  local
2844         to_len = PyString_GET_SIZE(to);  in string_replace()
2851     else if (PyObject_AsCharBuffer(to, &to_s, &to_len))  in string_replace()
2856                                to_s, to_len, count);  in string_replace()