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- char hextab[] = "0123456789abcdef";
-
- void
- writez(fd, str)
- int fd;
- unsigned char *str;
- {
- for (; *str; str++)
- write(1, str, 1);
- }
-
- #if 0
- void
- numout(num, base)
- unsigned long num;
- int base;
- {
- if (num >= base) numout(num / base, base);
- write(1, &hextab[num % base], 1);
- }
- #endif
-
- int
- foo(arg)
- int arg;
- {
- return arg+1;
- }
-
- int
- fact (i)
- int i;
- {
- if (i == 1)
- return 1;
- else
- return i * fact ( i - 1);
- }
-
- main()
- {
- unsigned char c = 0;
- int num;
-
- cache_on();
-
- set_debug_traps();
- breakpoint();
-
- writez(1, "Got to here\n");
-
- num = fact(10);
-
- while (1)
- {
- read(0, &c, 1);
- if (c == 'g')
- break;
-
- #if 1
- if (c == 'd')
- {
- #if 0
- writez(1, "Entering debugger\r\n");
-
- set_debug_traps();
-
- writez(1, "Just did set_debug_traps()\r\n");
- breakpoint();
- #endif
- writez(1, "Just got out of breakpoint()\r\n");
- break;
- }
- #endif
- writez(1, "echo ");
- write(1, &c, 1);
- writez(1, "\r\n");
- }
-
- writez(1, "Hello world\n");
-
- while (1)
- {
- read(0, &c, 1);
-
- if ((c & 0x7f) == 4)
- break;
-
- writez(1, "Char is ");
- write(1, &hextab[c >> 4], 1);
- write(1, &hextab[c & 0xf], 1);
- writez(1, "\r\n");
- }
-
- writez(1, "I escaped!\r\n");
- }
-