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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
Q. Basic Architecture of computer system? Replacing the ALU and CU (i.e., CPU) of Figure by a microprocessor, and storing instructions and data in the same memory, one arrives
It sets for Language Integrated Query. LINQ is collection of standard query operators that gives the query facilities into .NET framework language like C# , VB.NET.
Create your own Subprogram that uses at least 1input parameter and a return parameter. You decide the theme. You should give the pseudocode and an example Subroutine call. Be sure
What are the various layers of a file system? The file system is composed of lots of dissimilar levels. Each level in the design uses the characteristic of the lower levels to
Tool that is used to transfer data/files among computers on the Internet TCP (Transfer control protocol)
Q. Dynamic Configuration of parallel virtual machine? int pvm_addhosts( char **hosts, int nhost, int *infos ) Add hosts to virtual machine. hosts is an arra
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
how to breadboARD THE 4 BIT COMPARATOR
What are the three data anomalise that are likely to occur as a result of data redundancy?
The EFI community has formed an open source shell environment. Rather than booting directly into a full OS, on some executions, the user can boot to the EFI shell. The shell is an
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