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#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <pty.h>
#include <stdio.h>
/* Nonstandard, but vastly superior to the standard functions */
int openpty(int *m, int *s, char *name, const struct termios *tio, const struct winsize *ws)
{
int n=0;
char buf[20];
*m = open("/dev/ptmx", O_RDWR|O_NOCTTY);
if (*m < 0) return -1;
if (ioctl(*m, TIOCSPTLCK, &n) || ioctl (*m, TIOCGPTN, &n)) {
close(*m);
return -1;
}
if (!name) name = buf;
snprintf(name, sizeof buf, "/dev/pts/%d", n);
if ((*s = open(name, O_RDWR|O_NOCTTY)) < 0) {
close(*m);
return -1;
}
if (tio) tcsetattr(*s, TCSANOW, tio);
if (ws) ioctl(*s, TIOCSWINSZ, ws);
return 0;
}
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