calloc and realloc in C

Another memory allocating tool is the C standard library function calloc(). Like the malloc() function, the calloc() function attempts to grab contiguous segments of memory from the heap. The calloc() function takes two arguments: the first determines the number of memory segments needed and the second is the size of the data type. A basic … Read more

free memory in C

C standard library offers the free() function, which takes a pointer as an argument and frees the memory the pointer refers to. This allows your system to reuse the memory for other software applications or other malloc() function calls Memory allocated by malloc() will continue to exist until program termination or until a programmer “frees” … Read more

malloc in C

The malloc() function is part of the standard library and takes a number as an argument. When executed, malloc() attempts to retrieve designated memory segments from the heap and returns a pointer that is the starting point for the memory reserved The malloc() function returns a null pointer if it is unsuccessful in allocating memory … Read more