char strServer[ SYSTEM_LENGTH + 1 ] = "myserver";
int  iMapperPort = 0;
BOOL fSSLRequired = false;
char strUserid[ USERID_LENGTH + 1 ] = "myuser";
char strPassword[ PASSWORD_LONG_LENGTH + 1 ] = "mypasswd";
char strNewPassword[ PASSWORD_LONG_LENGTH + 1 ] = "mynewpassword";
BOOL fEncryptPassword = true;
char strReturnCode[ RETURN_CODE_LENGTH + 1 ];
BOOL rc;

rc = LceSetIBMiSignon( strServer, iMapperPort, fSSLRequired, strUserid, strPassword, strNewPassword, fEncryptPassword, strReturnCode );

if ( rc )
{
   if ( strcmp( strReturnCode, "OK" ) == 0 )
   {
      printf( "Signon details successfully changed." );
   }
   else
   {
      printf( "The request to the server has failed with return code: %s\n", strReturnCode );
   }
}
else
{
   printf( "The function failed to run successfully\n" );
}