MATCH_ARG_INIT    407 regexec.c      #define MATCH_ARG_INIT(msa, arg_option, arg_region, arg_start, arg_gpos) do {\
MATCH_ARG_INIT    416 regexec.c      #define MATCH_ARG_INIT(msa, arg_option, arg_region, arg_start, arg_gpos) do {\