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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [librpc/] [src/] [rpc/] [rtime.3] - Rev 30

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.\" @(#)rtime.3n        2.1 88/08/08 4.0 RPCSRC; from 1.5 88/02/08 SMI
.\" $FreeBSD: src/lib/libc/rpc/rtime.3,v 1.4 2000/03/02 09:13:48 sheldonh Exp $
.\"
.TH RTIME 3  "22 November 1987"
.SH NAME
rtime \- get remote time
.SH SYNOPSIS
.nf
.B #include <sys/types.h>
.B #include <sys/time.h>
.B #include <netinet/in.h>
.LP
.B int rtime(addrp, timep, timeout)
.B struct sockaddr_in \(**addrp;
.B struct timeval \(**timep;
.B struct timeval \(**timeout;
.fi
.SH DESCRIPTION
.B rtime(\|)
consults the Internet Time Server at the address pointed to by
.I addrp
and returns the remote time in the
.B timeval
struct pointed to by
.IR timep .
Normally, the
.SM UDP
protocol is used when consulting the Time Server.
The
.I timeout
parameter specifies how long the
routine should wait before giving
up when waiting for a reply.  If
.I timeout
is specified as
.SM NULL\s0,
however, the routine will instead use
.SM TCP
and block until a reply is received from the time server.
.LP
The routine returns 0 if it is successful.
Otherwise,
it returns \-1 and
.B errno
is set to reflect the cause of the error.
.SH "SEE ALSO"
.BR timed (8c)

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