diff options
| -rw-r--r-- | lib/libc/net/ethers.3 | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/libc/net/ethers.3 b/lib/libc/net/ethers.3 index 9f22bdb..1232ba7 100644 --- a/lib/libc/net/ethers.3 +++ b/lib/libc/net/ethers.3 @@ -62,10 +62,15 @@ structure, which is defined in the header file .Aq Pa netinet/if_ether.h : .Bd -literal -offset indent /* + * The number of bytes in an ethernet (MAC) address. + */ +#define ETHER_ADDR_LEN 6 + +/* * Structure of a 48-bit Ethernet address. */ struct ether_addr { - u_char octet[6]; + u_char octet[ETHER_ADDR_LEN]; }; .Ed .Pp @@ -130,11 +135,15 @@ returns a pointer to a string containing an representation of an ethernet address. If it is unable to convert the supplied .Ar ether_addr -structure, it returns a NULL pointer. Likewise, +structure, it returns a +.Dv NULL +pointer. Likewise, .Fn ether_aton returns a pointer to an .Ar ether_addr -structure on success and a NULL pointer on failure. +structure on success and a +.Dv NULL +pointer on failure. .Pp The .Fn ether_ntohost |
