Date: Fri, 2 Nov 2001 08:15:19 -0800 (PST) From: Fabio Miranda <fmirand@yahoo.com> To: freebsd-chat@FreeBSD.org Subject: struct hostent Message-ID: <20011102161519.40762.qmail@web11504.mail.yahoo.com>
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Hi, i am coding a small c program in order to learn
network programming:
main(int argc, char *argv[]){
struct hostent *host;
....
if((host=gethostbyname(argv[1])=NULL)){
perror("gethostbyname");
exit(-1);}
/* now, i want to print out all the hostent struct
information */
printf("struct hostent{\n");
printf("char *h_name: %s", host->h_name);
printf("char **h_aliases:%s\n", host->h_length);
printf("int h_addrtype: %d\n", host->h_addrtype);
printf("int h_length: %d\n", host->h_length);
printf("char **h_addr_list: %d\n",
host->h_addr_list);
}
}
This program core dumped, it may crash because i am
trying to print an char array (h_addr_list, right?), I
want to know how can i print all the information store
in a struct hostent?, especiality the ip address.
thanks
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