# Ponteiros em C

### Description

Mind Map on Ponteiros em C, created by felipes1474 on 07/15/2013.
Mind Map by felipes1474, updated more than 1 year ago
 Created by felipes1474 about 10 years ago
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## Resource summary

Ponteiros em C
1. Declaração do ponteiro: int *p; Endereço de uma variável: p = &c;
1. p "aponta" para c
2. Operações
1. *ip = *ip + 10;
1. y = *ip + 1;
1. ++*ip; (*ip)++;
2. Ponteiros para Arrays
1. int *pa; pa = &a[0];

Annotations:

• pa to point to element zero of a; that is, pa contains the address of a[0].
1. pa = pa + 1;

Annotations:

• If pa points to a particular element of an array, then by definition pa+1 points to the next element, pa+i points i elements after pa, and pa-i points i elements before. Thus, if pa points to a[0],
1. pa = &a[0]; e pa = a;
1. a[i]; e *(a + i);
1. a[i]; e pa[i];
1. a+i; e &a[i];
2. Atenção
1. Permitido
1. pa = a; e pa++;
2. Não Permitido
1. a = pa; e a++;
2. Ponteiros para Structs
1. struct node { int value; struct node *next; }
1. struct node { int value; struct node *left; struct node *right; }

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