2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993, 1994
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8 * modification, are permitted provided that the following conditions
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32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #if defined(LIBC_SCCS) && !defined(lint)
37 static char sccsid[] = "@(#)pty.c 8.3 (Berkeley) 5/16/94";
39 #endif /* LIBC_SCCS and not lint */
41 #include <sys/types.h>
42 #include <sys/ioctl.h>
55 openpty(int *amaster, int *aslave, char *name, struct termios *termp,
58 const char *slavename;
61 master = posix_openpt(O_RDWR|O_NOCTTY);
65 if (grantpt(master) == -1)
68 if (unlockpt(master) == -1)
71 slavename = ptsname(master);
72 if (slavename == NULL)
75 slave = open(slavename, O_RDWR);
83 strcpy(name, slavename);
85 tcsetattr(slave, TCSAFLUSH, termp);
87 ioctl(slave, TIOCSWINSZ, (char *)winp);
96 forkpty(int *amaster, char *name, struct termios *termp, struct winsize *winp)
98 int master, slave, pid;
100 if (openpty(&master, &slave, name, termp, winp) == -1)
102 switch (pid = fork()) {