SDL_SetCursor - Man Page

#include <SDL3/SDL_mouse.h>

bool SDL_SetCursor(SDL_Cursor *cursor);

This function sets the currently active cursor to the specified one. If the cursor is currently visible, the change will be immediately represented on the display. SDL_SetCursor(NULL) can be used to force cursor redraw, if this is desired for any reason.

cursor

a cursor to make active.

for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetCursor(3)

SDL_CreateColorCursor(3), SDL_CreateCursor(3), SDL_GetCursor(3).