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--- Libc/Libc-1725.40.4/stdlib/grantpt.3
+++ Libc/Libc-583/stdlib/grantpt.3
@@ -31,14 +31,13 @@
.\"
.\" $FreeBSD: src/lib/libc/stdlib/grantpt.3,v 1.3 2003/09/14 13:41:57 ru Exp $
.\"
-.Dd June 17, 2025
+.Dd February 2, 2005
.Os
.Dt GRANTPT 3
.Sh NAME
.Nm grantpt ,
.Nm posix_openpt ,
.Nm ptsname ,
-.Nm ptsname_r ,
.Nm unlockpt
.Nd pseudo-terminal access functions
.Sh SYNOPSIS
@@ -51,12 +50,6 @@
.Fo ptsname
.Fa "int fildes"
.Fc
-.Ft "int"
-.Fo ptsname_r
-.Fa "int fildes"
-.Fa "char *buffer"
-.Fa "size_t buflen"
-.Fc
.Ft int
.Fo unlockpt
.Fa "int fildes"
@@ -71,63 +64,51 @@
The
.Fn grantpt ,
.Fn ptsname ,
-.Fn ptsname_r ,
.Fn unlockpt ,
and
.Fn posix_openpt
functions allow access to pseudo-terminal devices.
-The first four functions accept a file descriptor
-that references the primary half of a pseudo-terminal pair.
+The first three functions accept a file descriptor
+that references the master half of a pseudo-terminal pair.
This file descriptor is created with
.Fn posix_openpt .
.Pp
The
.Fn grantpt
function is used to establish ownership and permissions
-of the replica device counterpart to the primary device
+of the slave device counterpart to the master device
specified with
.Fa fildes .
-The replica device's ownership is set to the real user ID
+The slave device's ownership is set to the real user ID
of the calling process; its permissions are set to
user readable-writable and group writable.
-The group owner of the replica device is also set to the group
+The group owner of the slave device is also set to the group
.Dq Li tty
if it exists on the system; otherwise, it
is left untouched.
.Pp
The
.Fn ptsname
-function returns a pointer to the full pathname of the replica device
-counterpart to the primary device specified with
+function returns the full pathname of the slave device
+counterpart to the master device specified with
.Fa fildes .
This value can be used
-to subsequently open the appropriate replica after
+to subsequently open the appropriate slave after
.Fn posix_openpt
and
.Fn grantpt
have been called.
-The
-.Fn ptsname
-function is not guaranteed to be reentrant or thread safe.
-The
-.Fn ptsname_r
-function stores the full pathname of the replica device in the
-buffer pointed to by its
-.Fa buffer
-argument, up to a maximum length of
-.Fa buflen
-including the terminating NUL.
.Pp
The
.Fn unlockpt
-function unlocks the replica pseudo-terminal device associated
-with the primary device to which
+function unlocks the slave pseudo-terminal device associated
+with the master device to which
.Fa fildes
refers.
.Pp
The
.Fn posix_openpt
-function opens the first available primary pseudo-terminal
+function opens the first available master pseudo-terminal
device and returns a descriptor to it.
The
.Fa oflag
@@ -146,23 +127,16 @@
The
.Fn ptsname
function returns a pointer to the name
-of the replica device on success; otherwise a
+of the slave device on success; otherwise a
.Dv NULL
pointer is returned and the global variable
.Va errno
is set to indicate the error.
.Pp
The
-.Fn ptsname_r
-function returns 0 if successful.
-On failure, it returns -1 and the global variable
-.Va errno
-is set to indicate the error.
-.Pp
-The
.Fn posix_openpt
function returns a file descriptor to the first
-available primary pseudo-terminal device on success;
+available master pseudo-terminal device on success;
otherwise \-1 is returned and the global variable
.Va errno
is set to indicate the error.
@@ -170,7 +144,6 @@
The
.Fn grantpt ,
.Fn ptsname ,
-.Fn ptsname_r ,
and
.Fn unlockpt
functions may fail and set
@@ -179,27 +152,7 @@
.Bl -tag -width Er
.It Bq Er EINVAL
.Fa fildes
-is not a primary pseudo-terminal device.
-.El
-.Pp
-In addition, the
-.Fn ptsname_r
-function may set
-.Va errno
-to:
-.Bl -tag -width Er
-.It Bq Er EINVAL
-The
-.Fa buffer
-argument is
-.Dv NULL .
-.El
-.Bl -tag -width Er
-.It Bq Er ERANGE
-The
-.Fa buflen
-argument is smaller than the length of the string to be returned,
-including the terminating NUL.
+is not a master pseudo-terminal device.
.El
.Pp
In addition, the
@@ -209,7 +162,7 @@
to:
.Bl -tag -width Er
.It Bq Er EACCES
-The replica pseudo-terminal device could not be accessed.
+The slave pseudo-terminal device could not be accessed.
.El
.Pp
The
@@ -223,18 +176,11 @@
consists of an invalid mode bit.
.It Bq Er EAGAIN
The system has no available pseudo-terminal devices.
-.It Bq Er ENXIO
-The
-.Xr sysctl 3
-limit
-.Dq kern.tty.ptmx_max
-number of pseudo-terminal devices was reached.
-.El
-.Pp
-The
-.Fn grantpt ,
-.Fn ptsname ,
-.Fn ptsname_r ,
+.El
+.Pp
+The
+.Fn grantpt ,
+.Fn ptsname ,
and
.Fn unlockpt
functions may also fail and set
@@ -281,7 +227,6 @@
.Fc ;
.Sh SEE ALSO
.Xr open 2 ,
-.Xr sysctl 3 ,
.Xr pty 4 ,
.Xr tty 4 ,
.Xr compat 5