rem: inline int send_void_command( int sock_fd )
add: static int send_void_command( int sock_fd )
context: inline int send_void_command( int sock_fd ){	char buf[HEADER_SIZE];	/* add command type */	put_int_h2n( VOID_CMD, buf, 1);	/* add the cmd len */	put_int_h2n( 0, buf+1, 4);	/* send the reply */	if (write( sock_fd, buf, HEADER_SIZE)!=HEADER_SIZE ) {		LOG(L_ERR,"ERROR:extcmd:send_void_commnad: cannot write to "			"socket: %s \n", strerror(errno));		return -1;	}	return 1;}