minix/lib/libsys/arch/i386/sys_voutb.c

   1 #include "syslib.h"
   2
   3 /*===========================================================================*
   4  *                                sys_voutb                                  *
   5  *===========================================================================*/
   6 int sys_voutb(pvb_pairs, nr_ports)
   7 pvb_pair_t *pvb_pairs;                  /* (port,byte-value)-pairs */
   8 int nr_ports;                           /* nr of pairs to be processed */
   9 {
  10     message m_io;
  11
  12     m_io.m_lsys_krn_sys_vdevio.request = _DIO_OUTPUT | _DIO_BYTE;
  13     m_io.m_lsys_krn_sys_vdevio.vec_addr = (vir_bytes)pvb_pairs;
  14     m_io.m_lsys_krn_sys_vdevio.vec_size = nr_ports;
  15     return _kernel_call(SYS_VDEVIO, &m_io);
  16 }
  17
  18