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#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <fcntl.h>
int posix_openpt(int flags)
{
return open("/dev/ptmx", flags);
}
int grantpt(int fd)
{
return 0;
}
int unlockpt(int fd)
{
int unlock = 0;
return ioctl(fd, TIOCSPTLCK, &unlock);
}
char *ptsname(int fd)
{
static char buf[9 + sizeof(int)*3 + 1];
char *s = buf+sizeof(buf)-1;
int pty;
if (ioctl (fd, TIOCGPTN, &pty))
return NULL;
if (pty) for (; pty; pty/=10) *--s = '0' + pty%10;
else *--s = '0';
s -= 9;
s[0] = '/'; s[1] = 'd'; s[2] = 'e'; s[3] = 'v';
s[4] = '/'; s[5] = 'p'; s[6] = 't'; s[7] = 's'; s[8] = '/';
return s;
}
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