218   PCRE2_SIZE start_offset, uint32_t options, pcre2_match_data *match_data,  in pcre2_substitute()  argument
255 if (match_data == NULL)  in pcre2_substitute()
260   match_data = pcre2_match_data_create_from_pattern(code, gcontext);  in pcre2_substitute()
261   if (match_data == NULL) return PCRE2_ERROR_NOMEMORY;  in pcre2_substitute()
264 ovector = pcre2_get_ovector_pointer(match_data);  in pcre2_substitute()
265 ovector_count = pcre2_get_ovector_count(match_data);  in pcre2_substitute()
278   rc = PRIV(valid_utf)(replacement, rlength, &(match_data->rightchar));  in pcre2_substitute()
281     match_data->leftchar = 0;  in pcre2_substitute()
296   match_data->leftchar = 0;  in pcre2_substitute()
311     match_data, mcontext);  in pcre2_substitute()
572           PCRE2_SPTR mark = pcre2_get_mark(match_data);  in pcre2_substitute()
633         rc = pcre2_substring_length_bynumber(match_data, group, &sublength);  in pcre2_substitute()
865 if (match_data_created) pcre2_match_data_free(match_data);  in pcre2_substitute()
866   else match_data->rc = rc;  in pcre2_substitute()