#!/bin/ch 
  include <cgi.h> 
  
  int main() { 
     int i, num; 
     chstrarray name, value;
     class CResponse Response;
     class CRequest Request;
     class CServer Server;
  
     num = Request.getFormNameValue(name, value);
     Response.setContentType("text/html");
     Response.begin();
     Response.title("Web Plot");
     printf("<center>\n");
     printf("<img src=\"lib-ch-example-sample-webplot2.cgi");
     for (i=0; i<num; i++){
        putc(i == 0 ? '?' : '&', stdout);
        fputs(Server.URLEncode(name[i]),stdout);
        putc('=', stdout);
        fputs(Server.URLEncode(value[i]),stdout);
     }
     printf("\">\n");
     printf("</center>\n");
     Response.end();
  }