centos man page for compare_ether_addr

COMPARE_ETHER_ADDR(9)					      Network device support					     COMPARE_ETHER_ADDR(9)

NAME
       compare_ether_addr - Compare two Ethernet addresses

SYNOPSIS
       unsigned compare_ether_addr(const u8 * addr1, const u8 * addr2);

ARGUMENTS
       addr1
	   Pointer to a six-byte array containing the Ethernet address

       addr2
	   Pointer other six-byte array containing the Ethernet address

DESCRIPTION
       Compare two Ethernet addresses, returns 0 if equal, non-zero otherwise. Unlike memcmp, it doesn't return a value suitable for sorting.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     COMPARE_ETHER_ADDR(9)