SDL_ShowCursor (3) - Linux Manuals
SDL_ShowCursor: Toggle whether or not the cursor is shown on the screen.
NAME
SDL_ShowCursor - Toggle whether or not the cursor is shown on the screen.SYNOPSIS
#include "SDL.h"
int SDL_ShowCursor(int toggle);
DESCRIPTION
Toggle whether or not the cursor is shown on the screen. Passing SDL_ENABLE displays the cursor and passing SDL_DISABLE hides it. The current state of the mouse cursor can be queried by passing SDL_QUERY, either SDL_DISABLE or SDL_ENABLE will be returned.
The cursor starts off displayed, but can be turned off.
RETURN VALUE
Returns the current state of the cursor.
SEE ALSO
SDL_CreateCursor, SDL_SetCursor