1 #include <stdlib.h> 2 #include <sys/types.h> 3 #include <string.h> 4 #include <fcntl.h> 5 #include <stdio.h> 6 #include <unistd.h> 7 #include <libnet.h> 8 9 /* 10 * force a connection to hangup 11 */ 12 int 13 hangup(int ctl) 14 { 15 return write(ctl, "hangup", sizeof("hangup")-1) != sizeof("hangup")-1; 16 } 17