NAME

       SDL_CompareCallback_r - A callback used with SDL sorting and binary search functions.

HEADER FILE

       Defined in SDL3/SDL_stdinc.h

SYNOPSIS

       #include "SDL3/SDL.h"

       typedef int (SDLCALL *SDL_CompareCallback_r)(void *userdata, const void *a, const void *b);

FUNCTION PARAMETERS

       userdata
              the userdata pointer passed to the sort function.

       a      a pointer to the first element being compared.

       b      a pointer to the second element being compared.

RETURN VALUE

       Returns  -1  if  a should be sorted before b , 1 if b should be sorted before a , 0 if they are equal. If
       two elements are equal, their order in the sorted array is undefined.

AVAILABILITY

       This callback is available since SDL 3.2.0.

SEE ALSO

       •(3), SDL_qsort_r(3), •(3), SDL_bsearch_r(3)

Simple Directmedia Layer                            SDL 3.2.8                       SDL_CompareCallback_r(3type)