ONIG_TRAVERSE_CALLBACK_AT_FIRST  712 ext/mbstring/oniguruma/oniguruma.h   ( ONIG_TRAVERSE_CALLBACK_AT_FIRST | ONIG_TRAVERSE_CALLBACK_AT_LAST )
ONIG_TRAVERSE_CALLBACK_AT_FIRST   44 ext/mbstring/oniguruma/regtrav.c   if ((at & ONIG_TRAVERSE_CALLBACK_AT_FIRST) != 0) {
ONIG_TRAVERSE_CALLBACK_AT_FIRST   46 ext/mbstring/oniguruma/regtrav.c                          level, ONIG_TRAVERSE_CALLBACK_AT_FIRST, arg);