diff options
Diffstat (limited to 'usr/src/man/man3c/posix_openpt.3c')
| -rw-r--r-- | usr/src/man/man3c/posix_openpt.3c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/usr/src/man/man3c/posix_openpt.3c b/usr/src/man/man3c/posix_openpt.3c index 716778eb21..16193b89f3 100644 --- a/usr/src/man/man3c/posix_openpt.3c +++ b/usr/src/man/man3c/posix_openpt.3c @@ -43,11 +43,10 @@ .\" Copyright (c) 2001, The IEEE and The Open Group. All Rights Reserved. .\" Portions Copyright (c) 2003, Sun Microsystems, Inc. All Rights Reserved. .\" -.TH POSIX_OPENPT 3C "Dec 1, 2003" +.TH POSIX_OPENPT 3C "June 18, 2021" .SH NAME posix_openpt \- open a pseudo terminal device .SH SYNOPSIS -.LP .nf #include <stdlib.h> #include <fcntl.h> @@ -56,8 +55,6 @@ posix_openpt \- open a pseudo terminal device .fi .SH DESCRIPTION -.sp -.LP The \fBposix_openpt()\fR function establishes a connection between a master device for a pseudo-terminal and a file descriptor. The file descriptor is used by other I/O functions that refer to that pseudo-terminal. @@ -92,15 +89,11 @@ controlling terminal for the process. .LP The behavior of other values for the \fIoflag\fR argument is unspecified. .SH RETURN VALUES -.sp -.LP Upon successful completion, the \fBposix_openpt()\fR function opens a master pseudo-terminal device and returns a non-negative integer representing the lowest numbered unused file descriptor. Otherwise, -1 is returned and \fBerrno\fR is set to indicate the error. .SH ERRORS -.sp -.LP The \fBposix_openpt()\fR function will fail if: .sp .ne 2 @@ -151,7 +144,6 @@ Out of STREAMS resources. .RE .SH EXAMPLES -.LP \fBExample 1 \fROpen a pseudo-terminal. .sp .LP @@ -161,8 +153,8 @@ device and a file descriptor. .sp .in +2 .nf -#include fcntl.h> -#include stdio.h> +#include <fcntl.h> +#include <stdio.h> int masterfd, slavefd; char *slavedevice; @@ -184,15 +176,11 @@ if (slavefd < 0) .in -2 .SH USAGE -.sp -.LP This function provides a method for portably obtaining a file descriptor of a master terminal device for a pseudo-terminal. The \fBgrantpt\fR(3C) and \fBptsname\fR(3C) functions can be used to manipulate mode and ownership permissions and to obtain the name of the slave device, respectively. .SH ATTRIBUTES -.sp -.LP See \fBattributes\fR(5) for descriptions of the following attributes: .sp @@ -209,7 +197,5 @@ MT-Level MT-Safe .TE .SH SEE ALSO -.sp -.LP \fBopen\fR(2), \fBgrantpt\fR(3C), \fBptsname\fR(3C), \fBunlockpt\fR(3C), \fBattributes\fR(5), \fBstandards\fR(5) |