rcm.h

//typedef int int;
//typedef bool logical;
typedef double doublereal;

int perphn_(int *n, int *ja, int *ia, int *init,
    int *iperm, int *mask, int *maskval, int *nlev,
    int *riord, int *levels);
int bfs_(int *n, int *ja, int *ia, int *
    nfirst, int *iperm, int *mask, int *maskval, int *
    riord, int *levels, int *nlev);
int reversp_(int *n, int *riord);