crabc 0.4.1

#ifndef _SYS_SOCKET_H
#define _SYS_SOCKET_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stddef.h>
#include <sys/types.h>

#ifndef __crabc_struct_iovec_defined
#define __crabc_struct_iovec_defined
struct iovec {
    void *iov_base;
    size_t iov_len;
};
#endif

struct msghdr {
    void *msg_name;
    socklen_t msg_namelen;
    struct iovec *msg_iov;
    int msg_iovlen;
    int __pad1;
    void *msg_control;
    socklen_t msg_controllen;
    int __pad2;
    int msg_flags;
};

struct cmsghdr {
    socklen_t cmsg_len;
    int __pad1;
    int cmsg_level;
    int cmsg_type;
};

struct linger {
    int l_onoff;
    int l_linger;
};

struct sockaddr {
    sa_family_t sa_family;
    char sa_data[14];
};

struct sockaddr_storage {
    sa_family_t ss_family;
    char __ss_padding[128-sizeof(long)-sizeof(sa_family_t)];
    unsigned long __ss_align;
};

#define SHUT_RD   0
#define SHUT_WR   1
#define SHUT_RDWR 2

#ifndef SOCK_STREAM
#define SOCK_STREAM    1
#define SOCK_DGRAM     2
#endif

#define SOCK_RAW       3
#define SOCK_RDM       4
#define SOCK_SEQPACKET 5
#define SOCK_DCCP      6
#define SOCK_PACKET    10

#define SOCK_CLOEXEC   02000000
#define SOCK_NONBLOCK  04000

#define PF_UNSPEC       0
#define PF_LOCAL        1
#define PF_UNIX         PF_LOCAL
#define PF_FILE         PF_LOCAL
#define PF_INET         2
#define PF_INET6        10
#define PF_MAX          45

#define AF_UNSPEC       PF_UNSPEC
#define AF_LOCAL        PF_LOCAL
#define AF_UNIX         AF_LOCAL
#define AF_FILE         AF_LOCAL
#define AF_INET         PF_INET
#define AF_INET6        PF_INET6
#define AF_MAX          PF_MAX

#define SO_DEBUG        1
#define SO_REUSEADDR    2
#define SO_TYPE         3
#define SO_ERROR        4
#define SO_DONTROUTE    5
#define SO_BROADCAST    6
#define SO_SNDBUF       7
#define SO_RCVBUF       8
#define SO_KEEPALIVE    9
#define SO_OOBINLINE    10
#define SO_NO_CHECK     11
#define SO_PRIORITY     12
#define SO_LINGER       13
#define SO_BSDCOMPAT    14
#define SO_REUSEPORT    15
#define SO_PASSCRED     16
#define SO_PEERCRED     17
#define SO_RCVLOWAT     18
#define SO_SNDLOWAT     19
#define SO_RCVTIMEO     20
#define SO_SNDTIMEO     21
#define SO_ACCEPTCONN   30

#define SOL_SOCKET      1

#define SOMAXCONN       128

#define MSG_OOB       0x0001
#define MSG_PEEK      0x0002
#define MSG_DONTROUTE 0x0004
#define MSG_CTRUNC    0x0008
#define MSG_PROXY     0x0010
#define MSG_TRUNC     0x0020
#define MSG_DONTWAIT  0x0040
#define MSG_EOR       0x0080
#define MSG_WAITALL   0x0100
#define MSG_NOSIGNAL  0x4000

#define __CMSG_LEN(cmsg) (((cmsg)->cmsg_len + sizeof(long) - 1) & ~(long)(sizeof(long) - 1))
#define __CMSG_NEXT(cmsg) ((unsigned char *)(cmsg) + __CMSG_LEN(cmsg))
#define __MHDR_END(mhdr) ((unsigned char *)(mhdr)->msg_control + (mhdr)->msg_controllen)

#define CMSG_DATA(cmsg) ((unsigned char *) (((struct cmsghdr *)(cmsg)) + 1))
#define CMSG_NXTHDR(mhdr, cmsg) ((cmsg)->cmsg_len < sizeof (struct cmsghdr) || \
    __CMSG_LEN(cmsg) + sizeof(struct cmsghdr) >= __MHDR_END(mhdr) - (unsigned char *)(cmsg) \
    ? 0 : (struct cmsghdr *)__CMSG_NEXT(cmsg))
#define CMSG_FIRSTHDR(mhdr) ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) 0)

#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) & (size_t) ~(sizeof (size_t) - 1))
#define CMSG_SPACE(len) (CMSG_ALIGN (len) + CMSG_ALIGN (sizeof (struct cmsghdr)))
#define CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))

#define SCM_RIGHTS      0x01
#define SCM_CREDENTIALS 0x02

int socket(int, int, int);
int socketpair(int, int, int, int [2]);

int shutdown(int, int);

int bind(int, const struct sockaddr *, socklen_t);
int connect(int, const struct sockaddr *, socklen_t);
int listen(int, int);
int accept(int, struct sockaddr *, socklen_t *);
int accept4(int, struct sockaddr *, socklen_t *, int);

int getsockname(int, struct sockaddr *, socklen_t *);
int getpeername(int, struct sockaddr *, socklen_t *);

ssize_t send(int, const void *, size_t, int);
ssize_t recv(int, void *, size_t, int);
ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t);
ssize_t recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
ssize_t sendmsg(int, const struct msghdr *, int);
ssize_t recvmsg(int, struct msghdr *, int);

int getsockopt(int, int, int, void *, socklen_t *);
int setsockopt(int, int, int, const void *, socklen_t);

int sockatmark(int);

unsigned int htonl(unsigned int);
unsigned int ntohl(unsigned int);
unsigned short htons(unsigned short);
unsigned short ntohs(unsigned short);

#ifdef __cplusplus
}
#endif

#endif