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DOS4400.C
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C/C++ Source or Header
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1994-12-17
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356b
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25 lines
#include <errno.h>
#include <sys/doscalls.h>
/*
** AH = 0x44 ; AL = 0
** BX = handle
*/
int dos_ioctl_getattr(int handle)
{
struct REGPACK r;
r.eax = 0x4400;
r.ebx = handle;
_intr(0x21, &r);
if (r.eflags & 1) {
_sys_doserror2errno( r.eax & 0xFFFF);
return (-1);
}
else
return (r.edx & 0xFFFF);
}