#include <perms.h>

//          Edinburgh IMP77 Compiler - Version 8.4
//
//     1  %begin

int main(int argc, char **argv) { /*%begin*/
  _imp_initialise(argc, argv);

  //     2    %string (255) s

  _imp_string255 S;

  //     3    %integerfn fred(%integername i)

  int FRED(int *I) {
    //     4      %integer total = 0

    int TOTAL;
    TOTAL = 0;

    //     5      %if charno(s, i) = 's'  %start

    if (*_imp_CHARNO((_imp_string255 *)/*p*/ /*?*/ &S, *I) != 115) goto L_0001;

      //     6        %result = 0

    return 0;

    //     7      %finish

  L_0001:;

  //     8      total = 0

    TOTAL = 0;

    //     9      %for i = 1, 1, i %cycle

    // %for *I = 1, 1, *I %cycle
    {
      int _final = *I;
      if (invalid_for_loop(1, 1, _final)) _imp_signal(5, 1, 0, "Illegal cycle *I = 1, 1, *I");
      *I = 0;
    L_0002:
      if (*I == _final) goto L_0003;
      *I += 1;

      //    10        total = total + i

      TOTAL = TOTAL + *I;

      //    11      %repeat

      goto L_0002;
    }

  L_0003:;

  //    12      %result = total

    return TOTAL;

    //    13    %end

  } /* end of FRED */

  //    14    %integer x, y

  int X;
  int Y;

  //    15    s = "a string"


  /* clang-format off */
_imp_strncpy(/*?*/&S, ({__typeof__(_imp_string255) tmp;/*B*/ tmp = _imp_str_literal("a string"); (void *)&tmp;}), /*max:*/255);

  /* clang-format on */

  //    16    y = 3

  Y = 3;

  //    17    x = fred(y)

  X = FRED(/*?*/ &Y);

  //    18  %endofprogram

  _imp_stop(0);
  return 0;
end_0:;
}