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 */ |
170 |
|
char *prompt; |
171 |
|
{ |
172 |
|
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
173 |
– |
double atof(); |
173 |
|
char inpbuf[256]; |
174 |
|
char *args; |
175 |
|
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 */ |
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 */ |