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root/radiance/ray/src/rt/rview.c
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Comparing ray/src/rt/rview.c (file contents):
Revision 2.3 by greg, Thu Dec 19 14:54:46 1991 UTC vs.
Revision 2.4 by greg, Mon Dec 23 23:18:29 1991 UTC

# Line 65 | Line 65 | static char  *reserve_mem = NULL;      /* pre-allocated res
65  
66   #define RESERVE_AMT     32768           /* amount of memory to reserve */
67  
68 < #define  CTRL(c)        ('c'-'@')
68 > #define  CTRL(c)        ((c)-'@')
69  
70  
71   quit(code)                      /* quit program */
# Line 248 | Line 248 | again:
248                          goto commerr;
249                  getpivot(args);
250                  break;
251 <        case CTRL(R):                           /* redraw */
251 >        case CTRL('R'):                         /* redraw */
252                  redraw();
253                  break;
254          case 'w':                               /* write */
# Line 260 | Line 260 | again:
260                  if (badcom("quit"))
261                          goto commerr;
262                  quit(0);
263 <        case CTRL(C):                           /* interrupt */
263 >        case CTRL('C'):                         /* interrupt */
264                  goto again;
265   #ifdef  SIGTSTP
266 <        case CTRL(Z):                           /* stop */
266 >        case CTRL('Z'):                         /* stop */
267                  devclose();
268                  kill(0, SIGTSTP);
269                  /* pc stops here */

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