HP SunSoft Pascal 4.0 - Manual (Page 118)

94 Pascal 4.0 User’s Guide
6
Variable Parameters
Pascal passes all variable parameters by reference, which C can do, too.
The C main program,
SampMain.c . Note the
procedure definition and call.
#include <stdio.h>
extern void Samp(int *, double *);
int main (void)
{
int i ;
double d ;
Samp(&i, &d) ;
printf ("%d %3.1f \n", i, d) ;
}
The commands to compile and
execute
Samp.p and
SampMain.c
hostname% pc -c Samp.p
hostname% cc Samp.o SampMain.c
hostname% a.out
9 9.9