SDL_qsort - Man Page

Sort an array.

Header File

Defined in SDL3/SDL_stdinc.h

Synopsis

#include "SDL3/SDL.h"

void SDL_qsort(void *base, size_t nmemb, size_t size, SDL_CompareCallback compare);

Description

For example:

typedef struct {
    int key;
    const char *string;
} data;

int SDLCALL compare(const void *a, const void *b)
{
    const data *A = (const data *)a;
    const data *B = (const data *)b;

    if (A->n < B->n) {
        return -1;
    } else if (B->n < A->n) {
        return 1;
    } else {
        return 0;
    }
}

data values[] = {
    { 3, "third" }, { 1, "first" }, { 2, "second" }
};

SDL_qsort(values, SDL_arraysize(values), sizeof(values[0]), compare);

Function Parameters

base

a pointer to the start of the array.

nmemb

the number of elements in the array.

size

the size of the elements in the array.

compare

a function used to compare elements in the array.

Thread Safety

It is safe to call this function from any thread.

Availability

This function is available since SDL 3.2.0.

See Also

·(3), SDL_bsearch(3), ·(3), SDL_qsort_r(3)

Referenced By

SDL_bsearch(3), SDL_CompareCallback.3type(3), SDL_qsort_r(3).

SDL 3.2.2 Simple Directmedia Layer SDL3 FUNCTIONS