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RTIME(3) | Library Functions Manual | RTIME(3) |
NAME¶
rtime
—
get remote time
SYNOPSIS¶
#include
<sys/types.h>
#include
<sys/time.h>
#include
<netinet/in.h>
int
rtime
(struct
sockaddr_in *addrp, struct timeval
*timep, struct timeval *timeout);
DESCRIPTION¶
Thertime
() function consults the Internet
Time Server at the address pointed to by
addrp and returns the remote time in the
timeval struct pointed to by
timep. Normally, the UDP protocol is used
when consulting the Time Server. The timeout
argument specifies how long the routine should wait before giving up when
waiting for a reply. If timeout is specified
as NULL
, however, the routine will instead
use TCP and block until a reply is received from the time server.
RETURN VALUES¶
Thertime
() function returns the
value 0 if successful; otherwise the value -1 is returned and
the global variable errno is set to indicate
the error.
AVAILABILITY¶
Thertime
() function is part of
libtirpc.November 22, 1987 | Debian |