PHP_SYSCONFDIR   2125 main/main.c    	REGISTER_MAIN_STRINGL_CONSTANT("PHP_SYSCONFDIR", PHP_SYSCONFDIR, sizeof(PHP_SYSCONFDIR)-1, CONST_PERSISTENT | CONST_CS);
PHP_SYSCONFDIR   1682 sapi/fpm/fpm/fpm_conf.c 			spprintf(&tmp, 0, "%s/php-fpm.conf", PHP_SYSCONFDIR);