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204 Voice API for Windows Operating Systems Library Reference — November 2003
dx_fileclose( ) — close a file
main()
{
int chdev;
DX_IOTT iott;
DV_TPT tpt;
DV_DIGIT dig;
.
.
/* Open the device using dx_open( ). Get channel device descriptor in
* chdev.
*/
if ((chdev = dx_open("dxxxB1C1",NULL)) == -1) {
/* process error */
}
/* set up DX_IOTT */
iott.io_type = IO_DEV|IO_EOT;
iott.io_bufp = 0;
iott.io_offset = 0;
iott.io_length = -1; /* play till end of file */
if((iott.io_handle = dx_fileopen("prompt.vox",
O_RDONLY|O_BINARY)) == -1) {
/* process error */
}
/* set up DV_TPT */
dx_clrtpt(&tpt,1);
tpt.tp_type = IO_EOT; /* only entry in the table */
tpt.tp_termno = DX_MAXDTMF; /* Maximum digits */
tpt.tp_length = 4; /* terminate on four digits */
tpt.tp_flags = TF_MAXDTMF; /* Use the default flags */
/* clear previously entered digits */
if (dx_clrdigbuf(chdev) == -1) {
/* process error */
}
/* Now play the file */
if (dx_play(chdev,&iott,&tpt,EV_SYNC) == -1) {
/* process error */
}
/* get digit using dx_getdig( ) and continue processing. */
.
.
if
(dx_fileclose(iott.io_handle)
== -1) {
/* process error */
}
}
!
!!
! See Also
• dx_fileopen( )
• dx_fileseek( )
• dx_fileread( )
• dx_filewrite( )