NAME
dpns_ping - check if name server is alive and return its version number
SYNOPSIS
#include <sys/types.h>
#include "dpns_api.h"
int dpns_ping (char *server, char *info)
DESCRIPTION
dpns_ping checks if the name server is alive and returns its version number.
OPTIONS
- server
-
specifies the DPNS Name Server hostname. If NULL, the DPNS_HOST environment variable is used.
- info
-
points at a buffer to receive the information (currently the version number). The buffer must be at least 256 characters long.
RETURN VALUE
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
ERRORS
- EFAULT
-
info is a NULL pointer.
- SENOSHOST
-
Host unknown.
- SENOSSERV
-
Service unknown.
- SECOMERR
-
Communication error.
- ENSNACT
-
Name server is not running or is being shutdown.