Signed one-byte character data

Sample Fortran usage C++ function (by Reference)

Sample Fortran usage	C++ function (by Reference)
`INTEGER1 X X = -5 CALL CENTRY(X) PRINT , 1 'UPDATED VALUE IN FORTRAN:', X END`	`extern "FORTRAN" { void centry(signed char &); } #include <stdio.h> void centry(signed char &x) { printf("C char arg value: %d\n",x); x -= 1; }`

INTEGER*1 X
X = -5
CALL CENTRY(X)
PRINT *,
1  'UPDATED VALUE IN FORTRAN:', X
END

extern "FORTRAN"
{ void centry(signed char &); }
#include <stdio.h>
void centry(signed char &x)
{
  printf("C char arg value: %d\n",x);
  x -= 1;
}