#include <errno.h>

#include <fcntl.h>

#include <stdio.h>

#include <unistd.h>

#include <string.h>

#include <sys/ioctl.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <net/netlib.h>

#include <net/gen/in.h>

#include <net/gen/tcp.h>

#include <net/gen/tcp_io.h>

#include <net/gen/udp.h>

#include <net/gen/udp_io.h>

#define DEBUG 0

static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,

socklen_t *_RESTRICT address_len);

int accept(int socket, struct sockaddr *_RESTRICT address,

socklen_t *_RESTRICT address_len)

{

int r;

r= _tcp_accept(socket, address, address_len);

return r;

#if DEBUG

fprintf(stderr, "accept: not implemented for fd %d\n", socket);

#endif

errno= ENOSYS;

return -1;

}

static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,

socklen_t *_RESTRICT address_len)

{

int r, s1, t_errno;

tcp_cookie_t cookie;

s1= open(TCP_DEVICE, O_RDWR);

if (s1 == -1)

return s1;

r= ioctl(s1, NWIOGTCPCOOKIE, &cookie);

if (r == -1)

{

t_errno= errno;

close(s1);

errno= t_errno;

return -1;

}

r= ioctl(socket, NWIOTCPACCEPTTO, &cookie);

if (r == -1)

{

t_errno= errno;

close(s1);

errno= t_errno;

return -1;

}

if (address != NULL)

getpeername(s1, address, address_len);

return s1;

}