Symbol: SIOCSIFMTU
usr/src/cmd/cmd-inet/usr.bin/pppd/sys-solaris.c
2430
if (myioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
usr/src/cmd/truss/codes.c
860
{ (uint_t)SIOCSIFMTU, "SIOCSIFMTU", "ifreq" }, /* 21 */
usr/src/uts/common/inet/ip/ip.c
826
/* 021 */ { SIOCSIFMTU, sizeof (struct ifreq), IPI_PRIV | IPI_WR,