Parameters of qsort()

Syntax of qsort() in C

void qsort(void* base, size_t num, size_t size, int (*compare)(const void*, const void*));...

Parameters of qsort()

The qsort() function takes four parameters:...

Return Value of qsort()

The qsort() function does not return any value as it sorts the array in place by modifying the original array only....

qsort() Comparator Function

The most important part of the qsort() is the comparator function that is passed as a parameter to the qsort() function. The comparator function takes two pointers as arguments that are type casted to const void* and it contains the logic to compare two elements to get the desired order i.e the order in which we want to sort the elements (ascending, descending or any other)....

Example of qsort() in C

Input: arr = [4, 2, 5, 3, 1]Output: Sorted Array: 1 2 3 4 5...