Ponteiros #2

int main()
{
int varA;
varA = 50;
int *ponteiro;
ponteiro = &varA;
printf("%d", *ponteiro); //caso '&ponteiro' ou 'ponteiro' irá mostrar o endereço de memória
}

/*******************************************************************************************************/

int main()
{
    int *cont, m;
    m = &cont;
    printf("\n\nO valor de m eh: %p\n\n", m);
    system("pause");
    return 0;
}

/*******************************************************************************************************/

int main()
{
    int num, valor;
    int *p;
    num = 10; // endereço de num recebe 10
    p = # // p recebe endereço de num
    valor = *p; //
    printf("O conteudo do endereco apontado por p eh: %d\n", *p);
    printf("\nO endereco para onde o ponteiro p aponta eh: %p", p); // endereço de num
    printf("\n\nO conteudo de valor eh: %d\n\n", valor); // pra onde p apontou
    system("pause");
    return 0;
}

/*******************************************************************************************************/

int main()
{
    int x=10;
    int *p1, *p2;
    p1 = &x;
    p2 = p1;
    printf("O endereco de p2 eh: %p\n\n", p2);
    printf("O conteudo do endereco apontado pelo ponteiro p1 eh: %d\n\n", *p1);
    printf("O conteudo do endereco apontado pelo ponteiro p2 eh: %d\n\n", *p2);
    system("pause");
}

/*******************************************************************************************************/

int main()
{
    float *p1;
    printf("O endereco de p1 eh: %p", p1);
    p1++;
    printf("\n\nO novo endereco de p1 eh: %p\n\n", p1);
    getch();
    system("pause");
}

/*******************************************************************************************************/

int main()
{
    float *p1;
    printf("O endereco de p1 eh: %p", p1);
    p1 = p1+20; //equivale à p1+20;
    printf("\n\nO novo endereco de p1 eh: %p\n\n", p1);
    getch();
    system("pause");
}

/*******************************************************************************************************/

int main()
{
    float *p1, valor=100;
    p1 = 0x2000;
    printf("O endereco de p1 eh: %p", p1);
    p1 = &valor;
    printf("\n\nO novo endereco de p1 eh: %p\n\n", p1);
    (*p1)++;
    printf("\n\nO conteudo do endereco apontado pelo ponteiro p1 eh: %f\n\n", *p1);
    getch();
    system("pause");
}

/*******************************************************************************************************/