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--- demos/microwin/mterm.c.old Fri Dec  3 07:03:39 1999
+++ demos/microwin/mterm.c Fri Dec  3 07:16:23 1999
@@ -248,15 +248,16 @@
  char * argv[2];
 
 again:
- sprintf(pty_name, "/dev/ptyp%d", n);
- if ((tfd = open(pty_name, O_RDWR | O_NONBLOCK)) < 0) {
- if ((errno == EBUSY) && (n < 3)) {
- ++n;
- goto again;
- }
- fprintf(stderr, "Can't create pty %s\n", pty_name);
+        if ((tfd = getpt())<0) {
+ fprintf(stderr, "Can't create master pty\n");
  return -1;
  }
+
+        if (grantpt(tfd)) 
+                perror("failure");
+        if (unlockpt(tfd)) 
+                perror("failure");
+
  signal(SIGCHLD, ptysignaled);
  signal(SIGINT, ptysignaled);
  if ((pid = fork()) == -1) {
@@ -264,13 +265,13 @@
  return -1;
  }
  if (!pid) {
+                ptsname_r(tfd, pty_name, 12);
  close(STDIN_FILENO);
  close(STDOUT_FILENO);
  close(STDERR_FILENO);
  close(tfd);
  
  setsid();
- pty_name[5] = 't';
  if ((tfd = open(pty_name, O_RDWR)) < 0) {
  fprintf(stderr, "Child: Can't open pty %s\n", pty_name);
  exit(1);
--- demos/nanox/nterm.c.old Fri Dec  3 07:03:39 1999
+++ demos/nanox/nterm.c Fri Dec  3 07:16:20 1999
@@ -162,15 +162,16 @@
  pid_t pid;
 
 again:
- sprintf(pty_name, "/dev/ptyp%d", n);
- if ((tfd = open(pty_name, O_RDWR | O_NONBLOCK)) < 0) {
- if ((errno == EBUSY || errno == EIO) && n < 10) {
- n++;
- goto again;
- }
- fprintf(stderr, "Can't create pty %s\n", pty_name);
+        if ((tfd = getpt())<0) {
+ fprintf(stderr, "Can't create master pty\n");
  return -1;
  }
+
+        if (grantpt(tfd)) 
+                perror("failure");
+        if (unlockpt(tfd)) 
+                perror("failure");
+
  signal(SIGCHLD, sigchild);
  signal(SIGINT, sigchild);
  if ((pid = fork()) == -1) {
@@ -178,13 +179,13 @@
  return -1;
  }
  if (!pid) {
+                ptsname_r(tfd, pty_name, 12);
  close(STDIN_FILENO);
  close(STDOUT_FILENO);
  close(STDERR_FILENO);
  close(tfd);
  
  setsid();
- pty_name[5] = 't';
  if ((tfd = open(pty_name, O_RDWR)) < 0) {
  fprintf(stderr, "Child: Can't open pty %s\n", pty_name);
  exit(1);


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