سؤال في Printf

 

[color= #007f00;]#include <graphics.h>

[color= #007f00;]#include <stdlib.h>

[color= #007f00;]#include <stdio.h>

[color= #007f00;]#include <conio.h>

 

[color= #007f00; font-style: italic;]/* the names of the text styles supported */

[color= #0000ff;]char [color= #000000;]*fname[color= #000000;][[color= #000000;]] [color= #000000;]= [color= #000000;]{ [color= #A31515;]"DEFAULT font",  [color= #A31515;]"TRIPLEX font", 

                  [color= #A31515;]"SMALL font",    [color= #A31515;]"SANS SERIF_font", 

                  [color= #A31515;]"GOTHIC_font",   [color= #A31515;]"SCRIPT font",

                  [color= #A31515;]"SIMPLEX font",  [color= #A31515;]"TRIPLEX SCRIPT font",

                  [color= #A31515;]"COMPLEX font",  [color= #A31515;]"EUROPEAN font",

                  [color= #A31515;]"BOLD font"[color= #000000;]};

 

[color= #0000ff;]int main[color= #000000;]([color= #0000ff;]void[color= #000000;])

[color= #000000;]{

   [color= #007f00; font-style: italic;]/* request autodetection */

 

   [color= #0000ff;]int gdriver [color= #000000;]= DETECT, gmode, errorcode;

   [color= #0000ff;]int style, midx, midy;

   [color= #0000ff;]int size [color= #000000;]= [color= #ff0000;]1;

 

   [color= #007f00; font-style: italic;]/* initialize graphics and local variables */

   initgraph[color= #000000;]([color= #000000;]&gdriver, [color= #000000;]&gmode, [color= #A31515;]""[color= #000000;]);

 

   [color= #007f00; font-style: italic;]/* read result of initialization */

   errorcode [color= #000000;]= graphresult[color= #000000;]([color= #000000;]);

   [color= #0000ff;]if [color= #000000;](errorcode [color= #000000;]![color= #000000;]= grOk[color= #000000;]) [color= #000000;]{  [color= #007f00; font-style: italic;]/* an error occurred */

      printf[color= #000000;]([color= #A31515;]"Graphics error: %s[color= #A31515; font-weight: bold;]n", grapherrormsg[color= #000000;](errorcode[color= #000000;])[color= #000000;]);

      printf[color= #000000;]([color= #A31515;]"Press any key to halt:"[color= #000000;]);

      getch[color= #000000;]([color= #000000;]);

      exit[color= #000000;]([color= #ff0000;]1[color= #000000;]);               [color= #007f00; font-style: italic;]/* terminate with an error code */

 

   [color= #000000;]}

 

   midx [color= #000000;]= getmaxx[color= #000000;]([color= #000000;]) [color= #000000;]/ [color= #ff0000;]2;

   midy [color= #000000;]= getmaxy[color= #000000;]([color= #000000;]) [color= #000000;]/ [color= #ff0000;]2;

   settextjustify[color= #000000;](CENTER_TEXT, CENTER_TEXT[color= #000000;]);

 

   [color= #007f00; font-style: italic;]/* loop through the available text styles */

   [color= #0000ff;]for [color= #000000;](style[color= #000000;]=DEFAULT_FONT; style[color= #000000;]<=BOLD_FONT; style[color= #000000;]++[color= #000000;]) [color= #000000;]{

      cleardevice[color= #000000;]([color= #000000;]);

      [color= #0000ff;]if [color= #000000;](style [color= #000000;]== TRIPLEX_FONT[color= #000000;])

         size [color= #000000;]= [color= #ff0000;]4;

      [color= #007f00; font-style: italic;]/* select the text style */

      settextstyle[color= #000000;](style, HORIZ_DIR, size[color= #000000;]);

 

      [color= #007f00; font-style: italic;]/* output a message */

      outtextxy[color= #000000;](midx, midy, fname[color= #000000;][style[color= #000000;]][color= #000000;]);

      getch[color= #000000;]([color= #000000;]);

   [color= #000000;]}

   [color= #007f00; font-style: italic;]/* clean up */

 

   closegraph[color= #000000;]([color= #000000;]);

   [color= #0000ff;]return [color= #ff0000;]0;

[color= #000000;]}