NCEPLIBS-ip/ver-4.0.0/ip2lib__8_8h_source.html

#ifndef IPLIB

#define IPLIB


void gdswzd(long igdtnum, long *igdtmpl, long igdtlen, long iopt,

            long npts, double fill, double *xpts, double *ypts,

            double *rlon, double *rlat, long *nret,

            double *crot, double *srot, double *xlon, double *xlat,

            double *ylon, double *ylat, double *area);


#endif