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Annotation of researchv10no/cmd/map/plot.h, revision 1.1.1.1

1.1       root        1: /* Plotting functions for Sys V and BSD systems */
                      2: 
                      3: /* open the plotting output */
                      4: extern void openpl(void);
                      5: 
                      6: /* close the plotting output */
                      7: extern void closepl(void);
                      8: 
                      9: /* make sure the page or screen is clear */
                     10: extern void erase(void);
                     11: 
                     12: /* plot a point at _x,_y, which becomes current */
                     13: extern void point(int, int);   /* point(_x,_y) */
                     14: 
                     15: /* coordinates to be assigned to lower left and upper right
                     16:    corners of (square) plotting area */
                     17: extern void space(int, int, int, int);
                     18: #define range(_x,_y,_X,_Y)  space(_x,_y,_X,_Y)
                     19: 
                     20: /* place text, first letter at current point, which does not change */
                     21: extern void label(char*);
                     22: #define text(_s) label(_s);
                     23: 
                     24: /* draw line from current point to _x,_y, which becomes current */
                     25: extern void cont(int, int);
                     26: #define vec(_x,_y)  cont(_x,_y)
                     27: 
                     28: /* _x,_y becomes current point */
                     29: extern void move(int, int);    /* move(_x,_y) */
                     30: 
                     31: /* specify style for drawing lines: "dotted", "solid", "dotdash" */
                     32: extern void linemod(char*);
                     33: #define pen(_s)  linemod(_s)

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