#include "unp.h" int main(int argc, char **argv) { int sockfd; struct sockaddr_in servaddr; if (argc != 2) err_quit("usage: udpcli "); bzero(&servaddr, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_port = htons(7); Inet_pton(AF_INET, argv[1], &servaddr.sin_addr); sockfd = Socket(AF_INET, SOCK_DGRAM, 0); dg_cli(stdin, sockfd, (SA *) &servaddr, sizeof(servaddr)); exit(0); }