tcod_sys::TCOD_heightmap_add_fbm

pub unsafe extern fn TCOD_heightmap_add_fbm(hm: *mut TCOD_heightmap_t, noise: TCOD_noise_t, mulx: c_float, muly: c_float, addx: c_float, addy: c_float, octaves: c_float, delta: c_float, scale: c_float)