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Manual Pages  — LOGIN_TTY

NAME

login_tty – prepare a tty for a new login session

CONTENTS

LIBRARY

System Utilities Library (libutil, -lutil)

SYNOPSIS

#include <libutil.h>

int
login_tty(int fd);

DESCRIPTION

The function login_tty() prepares a terminal for a new login session. The file descriptor fd passed to login_tty() must be opened for reading and writing on a terminal device. It will be made the controlling terminal for the calling process, after allocating a new session with setsid(2). This terminal device will also be made the standard input, standard output, and standard error output of the calling process.

RETURN VALUES

The login_tty() function returns -1 if it could not make the device referenced by fd the controlling terminal of the calling process, and 0 otherwise.

SEE ALSO

dup2(2), ioctl(2), setsid(2), tty(4)

LOGIN_TTY (3) December 29, 1996

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