1#include <endian.h>
2
3struct msghdr {
4	void *msg_name;
5	socklen_t msg_namelen;
6	struct iovec *msg_iov;
7#if __BYTE_ORDER == __BIG_ENDIAN
8	int __pad1, msg_iovlen;
9#else
10	int msg_iovlen, __pad1;
11#endif
12	void *msg_control;
13#if __BYTE_ORDER == __BIG_ENDIAN
14	int __pad2;
15	socklen_t msg_controllen;
16#else
17	socklen_t msg_controllen;
18	int __pad2;
19#endif
20	int msg_flags;
21};
22
23struct cmsghdr {
24#if __BYTE_ORDER == __BIG_ENDIAN
25	int __pad1;
26	socklen_t cmsg_len;
27#else
28	socklen_t cmsg_len;
29	int __pad1;
30#endif
31	int cmsg_level;
32	int cmsg_type;
33};
34
35#define SO_DEBUG        1
36#define SO_REUSEADDR    2
37#define SO_TYPE         3
38#define SO_ERROR        4
39#define SO_DONTROUTE    5
40#define SO_BROADCAST    6
41#define SO_SNDBUF       7
42#define SO_RCVBUF       8
43#define SO_KEEPALIVE    9
44#define SO_OOBINLINE    10
45#define SO_NO_CHECK     11
46#define SO_PRIORITY     12
47#define SO_LINGER       13
48#define SO_BSDCOMPAT    14
49#define SO_REUSEPORT    15
50#define SO_RCVLOWAT     16
51#define SO_SNDLOWAT     17
52#define SO_RCVTIMEO     18
53#define SO_SNDTIMEO     19
54#define SO_PASSCRED     20
55#define SO_PEERCRED     21
56#define SO_ACCEPTCONN   30
57#define SO_SNDBUFFORCE  32
58#define SO_RCVBUFFORCE  33
59#define SO_PROTOCOL     38
60#define SO_DOMAIN       39
61