Author: Julia Lawall <julia@diku.dk> Elsewhere the sin_family field holds a value with a name of the form AF_…, so it seems reasonable to do so here as well. Also the values of PF_INET and AF_INET are the same. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ struct sockaddr_in sip; @@ …