minix/lib/libsys/sys_vinw.c

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#include "syslib.h"
/*===========================================================================*
* sys_vinw *
*===========================================================================*/
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int sys_vinw(pvw_pairs, nr_ports)
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pvw_pair_t *pvw_pairs; /* (port,word-value)-pairs */
int nr_ports; /* nr of pairs to be processed */
{
message m_io;
m_io.DIO_REQUEST = _DIO_WORD | _DIO_INPUT;
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m_io.DIO_VEC_ADDR = (char *) pvw_pairs;
m_io.DIO_VEC_SIZE = nr_ports;
return _kernel_call(SYS_VDEVIO, &m_io);
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}