Provided by: libsdl1.2-dev_1.2.15+dfsg1-3ubuntu0.1_amd64 

NAME
SDL_GetRelativeMouseState - Retrieve the current state of the mouse
SYNOPSIS
#include "SDL.h"
Uint8 SDL_GetRelativeMouseState(int *x, int *y);
DESCRIPTION
The current button state is returned as a button bitmask, which can be tested using the SDL_BUTTON(X)
macros, and x and y are set to the change in the mouse position since the last call to
SDL_GetRelativeMouseState or since event initialization. You can pass NULL for either x or y.
SEE ALSO
SDL_GetMouseState
SDL Tue 11 Sep 2001, 22:59 SDL_GetRelativeMouseState(3)