C - Complete Pointer And Struct

#include <stdio.h>
#include <stdlib.h>

typedef struct{
    char *name;
    char *city;
    int age;
}data;
int addName(data *d){
    d->name = "lady gaga";

    return 0;
}
int addCity(data *d){
    d->city = "new york";

    return 0;
}
int addAge(data *d){
    d->age = 24;

    return 0;
}
char* getName(data *d){
    return d->name;
}
char* getCity(data* d){
    return d->city;
}
int getAge(data* d){
    return d->age;
}
int main(int c){
    system("color 5f");

    data* list;
    list = (data*) malloc(1*sizeof(data));
    addName(list);
    addCity(list);
    addAge(list);
    printf("%s, %d of %s",getName(list), getAge(list), getCity(list));

    return 0;
}

C - Complete Pointer And Struct