32-bit signed binary integer

Sample C++ usage	PL/I subroutine
`#include <stdio.h> extern "PLI" { int cpli( int ); } main() { int x, y; x=5; y = cpli(x); /* by value */ }`	`CPLI: PROC(ARG) RETURNS (FIXED BIN(31)); DCL ARG FIXED BIN (31); ⋮ RETURN (ARG); END;`

Sample C++ usage PL/I subroutine

#include <stdio.h>

extern "PLI" {
  int cpli( int *);
}

main() {
  int x, y;
  x=5;
  y = cpli(&x);  /* by reference */
}

CPLI: PROC(ARG) RETURNS (FIXED BIN(31));
    DCL ARG FIXED BIN (31);
⋮
    RETURN (ARG);
    END;