Function aiGetMaterialIntegerArray 

pub unsafe extern "C" fn aiGetMaterialIntegerArray(
    pMat: *const aiMaterial,
    pKey: *const c_char,
    type_: c_uint,
    index: c_uint,
    pOut: *mut c_int,
    pMax: *mut c_uint,
) -> aiReturn

@brief Retrieve an array of integer values with a specific key from a material

See the sample for aiGetMaterialFloatArray for more information.