#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); } }