pub unsafe extern "C" fn igraph_get_all_simple_paths(
graph: *const igraph_t,
res: *mut igraph_vector_int_list_t,
from: igraph_int_t,
to: igraph_vs_t,
mode: igraph_neimode_t,
minlen: igraph_int_t,
maxlen: igraph_int_t,
max_results: igraph_int_t,
) -> igraph_error_t