pub unsafe extern "C" fn igraph_erdos_renyi_game_gnp(
graph: *mut igraph_t,
n: igraph_int_t,
p: igraph_real_t,
directed: igraph_bool_t,
allowed_edge_types: igraph_edge_type_sw_t,
edge_labeled: igraph_bool_t,
) -> igraph_error_t