SDL_GetMice - Get a list of currently connected mice.

       This function is available since SDL 3.2.0.

       Note  that  this  will  include any device or virtual driver that includes mouse functionality, including
       some game controllers, KVM switches, etc. You should wait for input from a device before you consider  it
       actively in use.

count  a pointer filled in with the number of mice returned, may be NULL.

       SDL_GetMice - Get a list of currently connected mice.

       Returns  a  0  terminated  array  of  mouse instance IDs or NULL on failure; call SDL_GetError() for more
       information. This should be freed with SDL_free() when it is no longer needed.

SDL_GetMouseNameForID(3), SDL_HasMouse(3)

Simple Directmedia Layer                           SDL 3.2.20                                     SDL_GetMice(3)

#include<SDL3/SDL_mouse.h>SDL_MouseID*SDL_GetMice(int*count);

       This function should only be called on the main thread.