taglinefilesource code
keepalive633drivers/net/slip.csl->keepalive=0;    /* no keepalive by default = VSV */
keepalive1118drivers/net/slip.cif (sl->keepalive)
keepalive1127drivers/net/slip.cif ((sl->keepalive = (unchar) tmp) != 0) {
keepalive1128drivers/net/slip.csl->keepalive_timer.expires=jiffies+sl->keepalive*HZ;
keepalive1139drivers/net/slip.cput_user(sl->keepalive, (int *)arg);
keepalive1396drivers/net/slip.cif( sl->keepalive)
keepalive1412drivers/net/slip.csl->keepalive_timer.expires=jiffies+sl->keepalive*HZ;
keepalive104drivers/net/slip.hunsigned char    keepalive;  /* keepalive seconds    */