Stuff

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <netdb.h>
#include <errno.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>

#define PORT 80
#define MAXDATASIZE 100

int main(int argc, char *argv[]){
        char mylink[100], mydomain[100], mydomainf[100];
        char *p, *p2;

        if(argc < 2){
        printf("usage: ./rss-get feed-url\n");
        exit(1);
        }

        strcpy(mydomain, argv[1]);

        p = strchr(mydomain, '.');      // get addr of first '.'
        if (!p) error();                // empty p?
        p2 = strchr(p, '/');            // get addr of following '/'
        if (p2 != NULL) *p2 = 0;        // empty? no, end string there

if ( !strncmp( mydomain, "http://", 7 )){       // find string
        mydomainf = mydomain + 7;               // set new start addr
        } else {                                // or
        mydomainf = mydomain;                   // leave the same
        }

        printf("Domain: %s\n", mydomain);
        printf("Feed URL: %s\n", argv[1]);

} // MAIN