130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _UAPI_LINUX_SOCKET_H
230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _UAPI_LINUX_SOCKET_H
330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng
430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/*
530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Desired design of maximum size and alignment (see RFC2553)
630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */
730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _K_SS_MAXSIZE	128	/* Implementation specific max size */
830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _K_SS_ALIGNSIZE	(__alignof__ (struct sockaddr *))
930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng				/* Implementation specific desired alignment */
1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng
1130692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef unsigned short __kernel_sa_family_t;
1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng
1330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct __kernel_sockaddr_storage {
1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng	__kernel_sa_family_t	ss_family;		/* address family */
1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng	/* Following field(s) are implementation specific */
1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng	char		__data[_K_SS_MAXSIZE - sizeof(unsigned short)];
1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng				/* space to achieve desired size, */
1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng				/* _SS_MAXSIZE value minus size of ss_family */
1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */
2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng
2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _UAPI_LINUX_SOCKET_H */
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