$ cat test_gethostbyname.c
#include <stdio.h>
#include <netdb.h>
int main(int argc, char *argv[])
{
struct hostent *lh = gethostbyname(argv[1]);
if (lh)
puts(lh->h_name);
else
herror("gethostbyname");
return 0;
}
$
$ make test_gethostbyname
gcc test_gethostbyname.c -o test_gethostbyname
$ test_gethostbyname lifeline
$
$ make test_gethostbyname
musl-gcc -fno-stack-protector test_gethostbyname.c -o test_gethostbyname
$ test_gethostbyname lifeline
gethostbyname: Non-recoverable error
$
$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
$