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#include <libc.h>
#include <devctl.h>
#include <errno.h>
#include <syscall.h>
int posix_devctl(int fildes, int dcmd, void *restrict dev_data_ptr,
size_t unused nbyte, int *restrict dev_info_ptr)
{
long r;
if ((r = syscall(ioctl, fildes, dcmd, dev_data_ptr)) < 0)
return errno;
*dev_info_ptr = r;
return 0;
}
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