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The various memory allocation functions are described below:
(i) malloc( ): It is a memory allocation function that assigns requested size of bytes and returns a pointer to the first byte of the allocated space. The malloc function returns a pointer of type void so we can allocate it to any type of pointer.
(ii) calloc( ): It is another memory allocation function that assigns space for an array of elements, initializes them to zero and then returns a pointer to the memory. This function is normally used for request memory space at run time. Whereas malloc allocates a single block of storage space, calloc allocates multiple block of storage, each of the similar size, and then sets all bytes to zero
(iii) realloc( ): realloc is a memory allocation function that changes the size of previously allocated space. Sometime it may happen that the allocated memory space is larger than what is needed or it is less than what is needed. In both cases, we can change the memory size already allocated with the help of the realloc function called as reallocation of memory
Subroutine are the part of implementing processes (like any process can call a subroutine for achieve task), whereas the interrupt subroutine never be the part. Interrupt subroutin
Performance and Issues in Pipelining Speedup: Firstly, we get the speedup factor that is we see how much speed up performance we get through pipelining. First we get the
Q. How to export a dreamweaver document as xml file? Step 1: Choose File -> Open, Step 2: Select document which uses a template (and has editable regions) Step 3: Click O
2. The Turing test has often been incorrectly interpreted as being a test of whether or not a person could distinguish between responses from a computer and responses from a person
What are delay systems in telecommunication networks? Delay System: A class of telecommunication networks like data a network that places the call or message arrivals in a qu
Q. If a plane is in the air also there is a fly flying inside the plane does the plane get heavier when the fly lands? Answer:- It is true that a fly puts weight on a plan
What does the term convergence mean with respect to E-commerce? Convergence with respect to e-commerce The ability to leverage and integrate the several data sources and
(a) When a forensic examiner arrives at a crime scene, the first task done is referred to as "Incident Response". Summarize the different incident response tasks done in 10 steps.
There are basically two methods of copying: Photocopying This is a modified development of photography. It is quite expensive and slow and is not often used for routine rep
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
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