openpty.3

来自「minix操作系统最新版本（3.1.1）的源代码」· 3 代码 · 共 19 行

.TH OPENPTY 3 "May 15, 1985"
.AT 3
.SH NAME
openpty \- library call to obtain a pty
.SH SYNOPSIS
.nf
.ft B
#include <libutil.h>

int openpty(int *\fIamaster\fP, int *\fIaslave\fP, char *\fIname\fP, struct termios *\fItermp\fP, struct winsize *\fIwinp\fP)
.ft R
.fi
.SH DESCRIPTION
.B Openpty
tries to obtain pty file descriptors by opening /dev/ttypX and
/dev/ptypX, setting *\fIamaster\fP and *\fIaslave\fP to these fd's,
changing ownership of the slave pty to the current process, and making
it only group-writable by group tty.