.TH socket_udp4 3
.SH NAME
socket_udp4 \- create a non-blocking UDP/IP datagram socket
.SH SYNTAX
.B #include <socket.h>

int \fBsocket_udp4\fP();
.SH DESCRIPTION
socket_udp4 creates a non-blocking UDP/IP datagram socket and returns a
file descriptor pointing to that socket.  If something goes wrong,
socket_udp4 returns -1, setting errno appropriately, without allocating
any resources.

.SH EXAMPLE
  #include <socket.h>

  int \fIs\fR;
  char \fIip\fR[4];
  uint16 \fIp\fR;

  \fIs\fR = socket_udp4();
  socket_bind4(s,ip,p);
  socket_connect4(s,ip,p);

.SH "SEE ALSO"
socket_bind4(3), socket_bind6(3)