pub unsafe extern "C" fn igraph_joint_type_distribution(
graph: *const igraph_t,
weights: *const igraph_vector_t,
p: *mut igraph_matrix_t,
from_types: *const igraph_vector_int_t,
to_types: *const igraph_vector_int_t,
directed: igraph_bool_t,
normalized: igraph_bool_t,
) -> igraph_error_t