DPNS_PING(3)

NAME

dpns_ping - check if name server is alive and return its version number

#include <sys/types.h>
#include "dpns_api.h"

int dpns_ping (char *server, char *info)

dpns_ping checks if the name server is alive and returns its version number.

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.

This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.

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.