Function TCOD_heightmap_dig_bezier 

pub unsafe extern "C" fn TCOD_heightmap_dig_bezier(
    hm: *mut TCOD_heightmap_t,
    px: *mut c_int,
    py: *mut c_int,
    startRadius: f32,
    startDepth: f32,
    endRadius: f32,
    endDepth: f32,
)