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Monster Media 1993 #2
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os2
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OS2-ST01
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trace.c
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C/C++ Source or Header
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1992-05-23
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553b
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29 lines
#include <stdio.h>
#include <stdlib.h>
#define INCL_DOSFILEMGR
#define INCL_DOSDEVICES
#include <os2.h>
main(int argc, char **argv)
{
HFILE hdev;
USHORT action, rc;
BYTE level = 1;
if (argc > 1)
level = atoi(argv[1]);
rc = DosOpen("TAPE$4", &hdev, &action, 0L, 0,
FILE_OPEN, OPEN_ACCESS_READWRITE+OPEN_SHARE_DENYNONE, 0L);
if (rc) {
printf("open: %d\n", rc);
exit(1);
}
rc = DosDevIOCtl2(NULL, 0, &level, 1, 0x04, 0x80, hdev);
if (rc) {
printf("ioctl sense: %d\n", rc);
exit(1);
}
DosClose(hdev);
}