52 tcgetattr(int fd, struct termios *t)  in tcgetattr()  argument
55           return (_ioctl(fd, TIOCGETA, t));  in tcgetattr()
59 tcsetattr(int fd, int opt, const struct termios *t)  in tcsetattr()  argument
70                     return (_ioctl(fd, TIOCSETA, t));  in tcsetattr()
72                     return (_ioctl(fd, TIOCSETAW, t));  in tcsetattr()
74                     return (_ioctl(fd, TIOCSETAF, t));  in tcsetattr()
82 tcsetpgrp(int fd, pid_t pgrp)  in tcsetpgrp()  argument
87           return (_ioctl(fd, TIOCSPGRP, &s));  in tcsetpgrp()
91 tcgetpgrp(int fd)  in tcgetpgrp()  argument
95           if (_ioctl(fd, TIOCGPGRP, &s) < 0)  in tcgetpgrp()
102 tcgetsid(int fd)  in tcgetsid()  argument
106           if (_ioctl(fd, TIOCGSID, &s) < 0)  in tcgetsid()
113 tcsetsid(int fd, pid_t pid)  in tcsetsid()  argument
121           return (_ioctl(fd, TIOCSCTTY, NULL));  in tcsetsid()
197 tcsendbreak(int fd, int len __unused)  in tcsendbreak()  argument
203           if (_ioctl(fd, TIOCSBRK, 0) == -1)  in tcsendbreak()
206           if (_ioctl(fd, TIOCCBRK, 0) == -1)  in tcsendbreak()
212 __tcdrain(int fd)  in __tcdrain()  argument
214           return (_ioctl(fd, TIOCDRAIN, 0));  in __tcdrain()
222 tcflush(int fd, int which)  in tcflush()  argument
240           return (_ioctl(fd, TIOCFLUSH, &com));  in tcflush()
244 tcflow(int fd, int action)  in tcflow()  argument
251                     return (_ioctl(fd, TIOCSTOP, 0));  in tcflow()
253                     return (_ioctl(fd, TIOCSTART, 0));  in tcflow()
256                     if (tcgetattr(fd, &term) == -1)  in tcflow()
259                     if (c != _POSIX_VDISABLE && _write(fd, &c, sizeof(c)) == -1)  in tcflow()