A Definition
The concept of a pointer is one of the most important to understand thoroughly to master Linux debugging. By definition, a pointer is a memory cell or a processor register that contains the address of another memory cell, as shown in Figure 4-1. It has its own address as any memory cell. Sometimes, a pointer is called an indirect address (vs. a direct address, the address of a memory cell). Iteratively, we can define another level of indirection and introduce a pointer to a pointer ...
