#define BUFSIZE 100
-const char mnc_usage[] =
-"mini-netcat 0.0.3 -- Open pipe to IP:port\n"
-"\tmnc [IP] [port]\n";
+static const char mnc_usage[] =
+"mnc [IP] [port]\n\n"
+"mini-netcat opens a pipe to IP:port\n";
int
mnc_main(int argc, char **argv)
fd_set readfds, testfds;
+ if (argc<=1 || **(argv+1) == '-' ) {
+ usage( mnc_usage);
+ }
+ argc--;
+ argv++;
+
sfd = socket(AF_INET, SOCK_STREAM, 0);
- hostinfo = (struct hostent *) gethostbyname(argv[1]);
+ hostinfo = (struct hostent *) gethostbyname(*argv);
if (!hostinfo)
{
address.sin_family = AF_INET;
address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
- address.sin_port = htons(atoi(argv[2]));
+ address.sin_port = htons(atoi(*(++argv)));
len = sizeof(address);