19#if !defined(__CYGWIN__) && defined(__GNUC__) && !defined(__MINGW32__)
20#define INTERNAL __attribute__((visibility("hidden")))
28 double*,
int**,
int**,
int*);
31 node_t**,
int,
int,
int,
int,
double);
33typedef struct ipsep_options {
42 cluster_data clusters;