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Passing a Structure to a Function

Passing a Structure to a Function

Learn how to pass a structure and its elements to a function.

Passing structure elements

We can pass elements of a structure either by value or by reference.

Passing structure elements by value

The basic syntax of passing elements of a structure by value is given below:

functionName (structVariable.memberName);

See the code given below!

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# include <stdio.h>
void display ( char *, int, float ) ;
int main( )
{
struct book
{
char n[ 20 ] ;
int nop ;
float pr ;
} ;
struct book b = { "Basic", 425, 135.00 } ;
// Passing structure elements by value
display ( b.n, b.nop, b.pr ) ;
return 0 ;
}
// Pass by value
void display ( char *n, int pg, float p )
{
printf ( "%s %d %f\n", n, pg, p ) ;
}

A pure call by value is not possible here, since we cannot pass the array, n, by value. It ...

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