A pointer can be declared to point to another pointer which points to a variable. Here, the first pointer contains the address of the second pointer. The second pointer points to an actual memory location where the data is stored, i.e. a variable. That’s the reason why we also call such pointers as double pointers.Read More
Tag: Memory Allocation
This is a C program to demonstrate cache mechanism by simulating a cache in C. The source code can run in any C Compiler with minor modifications if required. It can run on real memory traces as input to your cache simulator. We have implemented two cache replacement policies i.e. least recently used (LRU) and First-in first-out (FIFO) replacement policies.Read More
Posted by M. Saqib | Oct 9, 2008 | C++ Programming: Different Articles on C++ Programming |
Everyone knows that memory management is a difficult and dangerous chore in C++. This series of three articles will show you that the conventional wisdom is not true. When approached correctly, C++’s seemingly archaic memory-management scheme actually provides an opportunity to create spectacular programs – programs that would not be possible with more modern languages that handle memory automatically.Read More
Posted by M. Saqib | Sep 10, 2008 | C++ Programming: Different Articles on C++ Programming |
The pointer is a variable which holds the memory address of another variable. If one variable contains the address of another variable, the first variable is said to point to the second. There are two types of pointer operators; * and &. the & is a unary operator that returns the memory address of its operand.Read More
Posted by M. Saqib | Sep 10, 2008 | C Programming: Different Articles on C Programming |
A pointer is a variable that represents the location of a data item, such as a variable or an array element. Pointers are used frequently in C, as they have a number of useful applications. For example, pointers can be used to pass information back and forth between a function and its reference point. Pointers provide a way to return multiple data items from a function via function arguments to
be specified as arguments to a given function.
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