NAME

       netwrite - send a message on a socket

SYNOPSIS

       #include "net.h"

       int netwrite (int s, char *buf, int nbytes);

       ssize_t netwrite_timeout (int s, void *buf, size_t nbytes, int timeout);

DESCRIPTION

       netwrite sends a message on a socket.

RETURN VALUE

       This  routine  returns  the  number  of  bytes  if  the operation was successful, 0 if the
       connection was closed by the remote end or -1 if the operation failed. In the latter case,
       serrno is set appropriately.

ERRORS

       EINTR       The function was interrupted by a signal.

       EBADF       s is not a valid descriptor.

       EAGAIN      The  socket  is  non-blocking  and  there  is no space available in the system
                   buffers for the message.

       EFAULT      buf is not a valid pointer.

       EINVAL      nbytes is negative or zero.

       ENOTSOCK    s is not a socket.

       SECONNDROP  Connection closed by remote end.

       SETIMEDOUT  Timed out.

SEE ALSO

       send(2), neterror(3)

AUTHOR

       LCG Grid Deployment Team