PF_UNIX
if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1)
if (mib[1] == PF_UNIX) {
if (family == PF_UNIX)
.pr_protocol = PF_UNIX,
.pr_protocol = PF_UNIX,
.pr_protocol = PF_UNIX,
if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) == -1) {
if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) == -1) {
if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) == -1)
sock = socket(PF_UNIX, SOCK_STREAM, 0);
if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) == -1)
if ((ctlsock = socket(PF_UNIX, SOCK_STREAM, 0)) == -1)