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31 * @(#)socket.h 8.4 (Berkeley) 2/21/94
35 #ifndef _SYS__SOCKADDR_STORAGE_H_
36 #define _SYS__SOCKADDR_STORAGE_H_
39 * RFC 2553: protocol-independent placeholder for socket addresses
41 #define _SS_MAXSIZE 128U
42 #define _SS_ALIGNSIZE (sizeof(__int64_t))
43 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) - \
45 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) - \
46 sizeof(sa_family_t) - _SS_PAD1SIZE - _SS_ALIGNSIZE)
48 struct sockaddr_storage {
49 unsigned char ss_len; /* address length */
50 sa_family_t ss_family; /* address family */
51 char __ss_pad1[_SS_PAD1SIZE];
52 __int64_t __ss_align; /* force desired struct alignment */
53 char __ss_pad2[_SS_PAD2SIZE];
56 #endif /* !_SYS__SOCKADDR_STORAGE_H_ */