re_string_char_size_at 3293 maint/gnulib/lib/regcomp.c   cur_char_size = re_string_char_size_at (regexp, re_string_cur_idx (regexp));
re_string_char_size_at  875 maint/gnulib/lib/regex_internal.c 			    re_string_char_size_at (pstr, pstr->cur_idx));
re_string_char_size_at 3669 maint/gnulib/lib/regexec.c   char_len = re_string_char_size_at (input, str_idx);