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- /*
- * external function declarations
- */
-
- extern void init_output(char *);
- extern void put_line(double, double);
- extern void put_curve(double, double, double, double, double, double);
- extern void end_output(point_t *, int);
- extern void draw_double_line(float, float, float, float, float);
- extern void init_lines(double, double);
- extern void twist(float);
- extern void end_twist();
- extern void end_output(point_t *, int);
-
- extern void draw_template(float, float, float);
-
- extern void interpolate();
- extern double sqr();
- extern void prompt_mode();
-
- extern int sflag, iflag, tflag, nsheets_h, nsheets_v, nspars, aflag;
- extern float s_limit;
- extern float c_height, c_depth;
- extern int multipage;
-
- extern value_t chord, sheeting, templ_h, templ_le, templ_te, xfudge, yfudge;
- extern spar_t spars[]; /* spars for airfoil */
- extern float angle;
-
- extern FILE *fout; /* output fd */
-
- extern void plot(airfoil_data_t *);
- extern int read_foil(FILE *fp, char *f, airfoil_data_t *info);
-