unpv13e/advio/dgclitimeo1.c

#include	"unp.h"

void
dg_cli(FILE *fp, int sockfd, const SA *pservaddr, socklen_t servlen)
{
	int	n;
	char	sendline[MAXLINE], recvline[MAXLINE + 1];

	while (Fgets(sendline, MAXLINE, fp) != NULL) {

		Sendto(sockfd, sendline, strlen(sendline), 0, pservaddr, servlen);

		if (Readable_timeo(sockfd, 5) == 0) {
			fprintf(stderr, "socket timeout\n");
		} else {
			n = Recvfrom(sockfd, recvline, MAXLINE, 0, NULL, NULL);
			recvline[n] = 0;	/* null terminate */
			Fputs(recvline, stdout);
		}
	}
}