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 Pointer Questions and Answers - Page 9
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pointer is depicted by '*' . this is  to  differentiate a pointervariable from normal variable. it will tell the compiler that it is not a normal variable, but it is a pointer variable which is holding the address of another variable.  so use of ...
Category: C   Tags : Pointer

Wild pointers are also known as Dangling pointers. Pointers that do not point to a valid object of the appropriate type, or to a distinguished null pointers value in language which support this. ...
Category: C   Tags : Pointer

When a variable is declared as being a pointer to type void it is known as a generic pointer. Since you cannot have a variable of type void, the pointer will not point to any data and therefore cannot be dereferenced. It is still a pointer though, to ...
Read Answers (1) | Asked by : srinivasarao
Category: C   Tags : Pointer

Global Pointer Example Program The following walkthrough will illustrate a simple example of global pointers. There are actually two seperate source code files involved, since, in this example, we are going to be executing ...
Category: C#   Tags : Pointer

In 16 bit development environment like DOS or WIN 3.0 memory management is done in terms of segment:offset addressing style. so in this environment we have segment registers like CS,DS.SS,ES if we declare a near pointer we will be able to access the pointer ...
Read Answers (1) | Asked by : satyagmk
Category: C++   Tags : Pointer

Any time a pointer is used as a condition, it means “Is this a non-null pointer?” A pointer can be used in an if, while, for, or do/while statement, or in a conditional expression.    
Category: C   Tags : Pointer

The hardest part about using a pointer-to-function is declaring it.  Consider an example. You want to create a pointer, pf, that points to the strcmp() function. The strcmp() function is declared 
Category: C   Tags : Pointer

Pointers to functions are interesting when you pass them to other functions. A function that takes function pointers says, in effect, “Part of what I do can be customized. Give me a pointer to a 
Category: C   Tags : Pointer

This is paranoia based on long experience. After a pointer has been freed, you can no longer use the pointed-to data. The pointer is said to “dangle”; it doesn’t point at anything useful. 
Category: C   Tags : Pointer

Sometimes you can get away with using a small memory model in most of a given program. There might be just a few things that don’t fit in your small data and code segments. When that happens, you 
Category: C   Tags : Pointer

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