C Language: qsort function
(Sort Array)
In the C Programming Language, the qsort function sorts the array pointed to by base.
Syntax
The syntax for the qsort function in the C Language is:
void qsort(void *base, size_t num_members, size_t size,
int (*compare_function) (const void *, const void *));
Parameters or Arguments
- base
- The array to sort.
- num_members
- The number of elements in the array.
- size
- The size of the elements in bytes.
- compare_function
- A pointer to a comparison function.
Returns
The qsort function returns a negative, zero, or positive integer (based on whether the first element in the array is less than, equal to, or greater than the second element in the array).
Required Header
In the C Language, the required header for the qsort function is:
#include <stdlib.h>
Applies To
In the C Language, the qsort function can be used in the following versions:
- ANSI/ISO 9899-1990
Similar Functions
Other C functions that are similar to the qsort function:
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