Cgi for website development in C Language

Cgi for website development in C Language
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1. Install Apach

2. Configure ApacheRuntime

   In the following process, click next

   Configure CGI and release the configuration: AddHandler cgi-script. cgi

   2. Add Option,

   3. Write CGI Code as follows: <喎?http: www.bkjia.com kf ware vc " target="_blank" class="keylink"> Vcd4kcjxwiggfsawdupq = "left"> # define_CRT_SECURE_NO_WARNINGS // cancel the security check

   # Include

   # Include

   # Include

   Voidmain ()

   {

   // If you want to display it in html, add the following two sentences:

   Printf ("Content-type: text/html \ n ");

   // Use the following method to query the environment variable string

   Printf ("% s
   
   ", Getenv (" QUERY_STRING "));

   CharszPost [256] = {0 };

   // Obtain input

   Gets (szPost );

   // Obtain input

   Printf ("% s
   
   ", SzPost );

   // This statement moves the pointer to the equal sign position.

   Char * p = szPost + 8;

   Char * p1 = strchr (szPost ,"&");

   * P1 = '\ 0 ';

   Charcmd [256] = {0 };

   // String ing

   Sprintf (cmd, "% s> 1.txt", p );

   System (cmd );

   FILE * pf = fopen ("1.txt"," r ");

   // Continue if it is not at the end of the file

   While (! Feof (pf ))

   {

   Charch = fgetc (pf );

   If (ch = '\ n ')

   {

   // Line feed

   Printf ("
   
   ");

   }

   Else

   {

   // Print characters

   Putchar (ch );

   }

   }

   }

   4. CLICK: local Windows Debugger

   Open the file in file resource manager as follows:

   The Debug directory is as follows:

   5.change system.exebeibei to cgi-binin apachand system.exe to system. cgi.

   6. Restart the Apache server and right-click Apach à Open Apache Monitor. The following page is displayed:

   7. Compile the following html

   It should be noted that, if an error still exists in the webpage, this may not be a program issue, but a cache issue. In this case, you should close the webpage and re-open it, this is the case.