277 long *isp = &istack[0];  variable
313   if (isp < istack)  in icheck_range()
315   if (isp >= istack + STACK)  in icheck_range()
395   isp++;  in push_number()
398   *isp = (long) (*pc);  in push_number()
475   fprintf (stderr, "current integer stack depth = %d\n", isp - istack);  in print_stack_level()
1114   isp--;  in idrop()
1142   internal_mode = *(isp);  in internalmode()
1143   isp--;  in internalmode()
1420   *(long *) ((isp[0])) = isp[-1];  in bang()
1421   isp -= 2;  in bang()
1429   isp[0] = *(long *) (isp[0]);  in atsign()
1443   isp++;  in stdout_()
1445   *isp = 1;  in stdout_()
1452   isp++;  in stderr_()
1454   *isp = 2;  in stderr_()
1461   if (*isp == 1)  in print()
1463   else if (*isp == 2)  in print()
1466     fprintf (stderr, "print: illegal print destination `%ld'\n", *isp);  in print()
1467   isp--;  in print()