4.3BSD - /usr/src/usr.lib/libplot/hp2648/open.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)open.c	5.1 (Berkeley) 5/7/85";
   9: #endif not lint
  10: 
  11: #include <sgtty.h>
  12: #include "hp2648.h"
  13: 
  14: int shakehands;
  15: int currentx;
  16: int currenty;
  17: int buffcount;
  18: int fildes;
  19: float lowx;
  20: float lowy;
  21: float scalex;
  22: float scaley;
  23: struct sgttyb sarg;
  24: 
  25: openpl()
  26: {
  27:     if ( isatty(fileno( stdout )) ) {
  28:         shakehands = TRUE;
  29:         fildes = open(TERMINAL, 0);
  30:         gtty(fildes, &sarg);
  31:         sarg.sg_flags = sarg.sg_flags | RAW;
  32:         stty(fildes, &sarg);
  33:         sarg.sg_flags = sarg.sg_flags & ~RAW;
  34:     }
  35:     else {
  36:         shakehands = FALSE;
  37:     }
  38:     buffcount = 0;
  39:     currentx = 0;
  40:     currenty = 0;
  41:     buffready(8);
  42:     putchar(ESC);
  43:     putchar(GRAPHIC);
  44:     putchar(DISPLAY);
  45:     putchar('c');
  46:     putchar(ESC);
  47:     putchar(GRAPHIC);
  48:     putchar(PLOT);
  49:     putchar(BINARY);
  50:     space(0,0,720,360);
  51: }

Defined functions

Defined variables