Untitled

#include <stdio.h>
#include <string.h>

struct Car
{
    char name[ 30 ];
    int productionYear;
    int maxSpeed;
} citron;

typedef struct VoicePanelManager
{
    char name[ 30 ];
    int maxSound;
    int minSound;
} VPM;

void showInfo( struct Car car )
{
    printf("Car name: %s\n", car.name );
    printf("%s production year: %d \n", car.name, car.productionYear );
    printf("%s max speed: %d \n", car.name, car.maxSpeed );
    printf("\n");
}

int main( void )
{
    struct Car audi, bmw;

    strcpy( audi.name, "Audi" );
    audi.productionYear = 2017;
    audi.maxSpeed = 280;

    strcpy( bmw.name, "BMW" );
    bmw.productionYear = 1999;
    bmw.maxSpeed = 180;

    showInfo( audi );
    showInfo( bmw );

    struct Car* carPtr = &audi;

    carPtr->maxSpeed = 300;

    showInfo( audi );
    
    VPM vpm1;
    
    citron.maxSpeed = 170;

    return 0;
}