ONIGERR_UNDEFINED_BYTECODE   63 ext/mbstring/oniguruma/regerror.c   case ONIGERR_UNDEFINED_BYTECODE:
ONIGERR_UNDEFINED_BYTECODE 2732 ext/mbstring/oniguruma/regexec.c   return ONIGERR_UNDEFINED_BYTECODE;
ONIGERR_UNDEFINED_BYTECODE   66 ext/mbstring/oniguruma/regposix.c     { ONIGERR_UNDEFINED_BYTECODE,                         REG_EONIG_INTERNAL },