#include "unp.h" int main(int argc, char **argv) { int sockfd; if (argc != 3) err_quit("usage: tcpsend03 "); sockfd = Tcp_connect(argv[1], argv[2]); Write(sockfd, "123", 3); printf("wrote 3 bytes of normal data\n"); sleep(1); Send(sockfd, "4", 1, MSG_OOB); printf("wrote 1 byte of OOB data\n"); sleep(1); Write(sockfd, "56", 2); printf("wrote 2 bytes of normal data\n"); sleep(1); Send(sockfd, "7", 1, MSG_OOB); printf("wrote 1 byte of OOB data\n"); sleep(1); Write(sockfd, "89", 2); printf("wrote 2 bytes of normal data\n"); sleep(1); exit(0); }