#include "syslib.h"/*===========================================================================* *                                sys_voutb				     * *===========================================================================*/PUBLIC int sys_voutb(pvb_pairs, nr_ports)pvb_pair_t *pvb_pairs;			/* (port,byte-value)-pairs */int nr_ports;				/* nr of pairs to be processed */{    message m_io;    m_io.DIO_TYPE = DIO_BYTE;    m_io.DIO_REQUEST = DIO_OUTPUT;    m_io.DIO_VEC_ADDR = (char *) pvb_pairs;    m_io.DIO_VEC_SIZE = nr_ports;    return _taskcall(SYSTASK, SYS_VDEVIO, &m_io);}