'Variable ptr' presentation slideshows

Pointers and Dynamic Memory Allocation

1.05k views • 62 slides

Malloc Recitation

Malloc Recitation. Section K (Kevin Su) November 5 th , 2012. Agenda. Macros / Inline functions Quick pointer review Malloc. Macros / Inline Functions. Macros. Runtime, compile-time, or pre-compile time? Constant: #define NUM_ENTRIES 100 OK Macro #define twice(x) 2*x Not OK

473 views • 34 slides

Malloc Recitation

Malloc Recitation. By sseshadr. Agenda. Macros in C Pointer declarations Casting and Pointer Arithmetic Malloc. Macros. Macros. Runtime, compile-time, or pre-compile time? Constant: #define NUM_ENTRIES 100 OK Macro #define twice(x) 2*x Not OK twice(x+1) becomes 2*x+1

571 views • 31 slides

CHAPTER 4

CHAPTER 4. POINTER. Pointers. Basic concept of pointers Pointer declaration Pointer operator (& and *) Parameter passing by reference Dynamic variables. Basic Concept of Pointers.

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Pointers

Pointers. A pointer is a variable that contains memory address as its value. A variable directly contains a specific value. A pointer contains an address of a variable that contains a specific value.

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