void read_ig_rz_(int* path,int *pathlen);
void readapf107_();
void iri_sub_(int *jf,int *jmag,float *alati,float *along, int *iyyyy, int *mmdd, float *dhour,
		float *heibeg,float *heiend,float *heistp, float *outf,float *oarr);
void feldg_(float *glat,float *glon, float *alt, float *bnorth,float *beast,float *bdown, float *babs);