SO_SNDLOWAT
if (setsockopt(netfd, SOL_SOCKET, SO_SNDLOWAT,
return SO_SNDLOWAT;
case SO_SNDLOWAT:
case SO_SNDLOWAT:
case SO_SNDLOWAT:
CASERETURN(SO_SNDLOWAT);
if (setsockopt(fd, SOL_SOCKET, SO_SNDLOWAT, &n, sizeof(n)) == -1) {
if (setsockopt(fd, SOL_SOCKET, SO_SNDLOWAT, &n, sizeof(n)) == -1) {