pub unsafe extern "C" fn igraph_vector_ptr_set(
v: *mut igraph_vector_ptr_t,
pos: igraph_int_t,
value: *mut c_void,
)pub unsafe extern "C" fn igraph_vector_ptr_set(
v: *mut igraph_vector_ptr_t,
pos: igraph_int_t,
value: *mut c_void,
)