socket.h

  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 #ifndef _LINUX_SOCKET_H
  3 #define _LINUX_SOCKET_H
  4 
  5 /*
  6  * Desired design of maximum size and alignment (see RFC2553)
  7  */
  8 #define _K_SS_MAXSIZE   128     /* Implementation specific max size */
  9 
 10 typedef unsigned short __kernel_sa_family_t;
 11 
 12 /*
 13  * The definition uses anonymous union and struct in order to control the
 14  * default alignment.
 15  */
 16 struct __kernel_sockaddr_storage {
 17         union {
 18                 struct {
 19                         __kernel_sa_family_t    ss_family; /* address family */
 20                         /* Following field(s) are implementation specific */
 21                         char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
 22                                 /* space to achieve desired size, */
 23                                 /* _SS_MAXSIZE value minus size of ss_family */
 24                 };
 25                 void *__align; /* implementation specific desired alignment */
 26         };
 27 };
 28 
 29 #endif /* _LINUX_SOCKET_H */
 30

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Sources/ucode/include/linux/socket.h