npfreg_t
npfreg_t _xstart; /* X-start point (current) */
npfreg_t _ystart; /* Y-start point (current) */
npfreg_t _xend; /* x-end point */
npfreg_t _yend; /* y-end point */
npfreg_t bresd;
npfreg_t bress1;
npfreg_t xstartf;
npfreg_t ystartf;
npfreg_t xendf;
npfreg_t yendf;
npfreg_t xendf1;
npfreg_t colorred;
npfreg_t coloralpha;
npfreg_t colorgrn;
npfreg_t colorblue;
npfreg_t slopered;
npfreg_t slopealpha;
npfreg_t slopegrn;
npfreg_t slopeblue;
npfreg_t colorx;
npfreg_t slopered1;