Function spine::ffi::spIkConstraint_apply2

pub unsafe extern "C" fn spIkConstraint_apply2(
    parent: *mut spBone, 
    child: *mut spBone, 
    targetX: f32, 
    targetY: f32, 
    bendDirection: i32, 
    stretch: i32, 
    softness: f32, 
    alpha: f32
)