php_add4_to_if_index  667 ext/sockets/multicast.c int php_add4_to_if_index(struct in_addr *addr, php_socket *php_sock, unsigned *if_index TSRMLS_DC)
php_add4_to_if_index  751 ext/sockets/multicast.c int php_add4_to_if_index(struct in_addr *addr, php_socket *php_sock, unsigned *if_index TSRMLS_DC)