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#include <termios.h>
#include <syscall.h>
#include <asm-generic/ioctls.h>
#include <errno.h>
int tcsetattr(int fildes, int optional_actions, const struct termios *termios_p)
{
if (optional_actions < 0 || optional_actions > 2) {
errno = EINVAL;
return -1;
}
return syscall(ioctl, fildes, TCSETS + optional_actions, termios_p);
}
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