Use C11 compiler: arp.c: In function 'arp_found': arp.c:145: error: #pragma GCC diagnostic not allowed inside functions arp.c:146: error: #pragma GCC diagnostic not allowed inside functions arp.c:148: warning: assignment from incompatible pointer type arp.c:149: error: #pragma GCC diagnostic not allowed inside functions Approved by: mentors (implicit approval)