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.