unpv13e/tcpcliserv/str_cli09.c

#include	"unp.h"
#include	"sum.h"

void
str_cli(FILE *fp, int sockfd)
{
	char			sendline[MAXLINE];
	struct args		args;
	struct result	result;

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

		if (sscanf(sendline, "%ld%ld", &args.arg1, &args.arg2) != 2) {
			printf("invalid input: %s", sendline);
			continue;
		}
		Writen(sockfd, &args, sizeof(args));

		if (Readn(sockfd, &result, sizeof(result)) == 0)
			err_quit("str_cli: server terminated prematurely");

		printf("%ld\n", result.sum);
	}
}