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.\" @(#)rtime.3n 2.1 88/08/08 4.0 RPCSRC; from 1.5 88/02/08 SMI .\" $FreeBSD: release/9.1.0/lib/libc/rpc/rtime.3 108087 2002-12-19 09:40:28Z ru $ .\" .Dd November 22, 1987 .Dt RTIME 3 .Os .Sh NAME .Nm rtime .Nd "get remote time" .Sh LIBRARY .Lb libc .Sh SYNOPSIS .In sys/types.h .In sys/time.h .In netinet/in.h .Ft int .Fo rtime .Fa "struct sockaddr_in *addrp" .Fa "struct timeval *timep" .Fa "struct timeval *timeout" .Fc .Sh DESCRIPTION The .Fn rtime function consults the Internet Time Server at the address pointed to by .Fa addrp and returns the remote time in the .Vt timeval struct pointed to by .Fa timep . Normally, the .Tn UDP protocol is used when consulting the Time Server. The .Fa timeout argument specifies how long the routine should wait before giving up when waiting for a reply. If .Fa timeout is specified as .Dv NULL , however, the routine will instead use .Tn TCP and block until a reply is received from the time server. .Sh RETURN VALUES .Rv -std rtime .Sh SEE ALSO .Xr timed 8