Extract substring from string

[greg_dolley]

No, you're still modifying host->h_name. You need to make a copy of h_name first, then do the manipulation, like this:

char *host_name = NULL;

host_name = (char *)malloc(sizeof(char)*(strlen(host->h_name)+1));
strcpy(host_name, host->h_name);

-Greg Dolley