四個簡易 CGI 測試程式

在開始前, 請注意所有的 CGI 程式都沒有利用到任何傳入的參數, 所有的 CGI 程式都是在 cyber (Free BSD) 上利用 gcc 編譯的 ANSI C 程式, 因為功能很簡單, 所以也沒有運用到任何 CGI 的輔助函式庫

HTML
<a href= "http://cyber.cs.ntou.edu.tw/cgi-bin/cgiwrap/~pyting/SimpleHTMLCGI">

C source: SimpleHTMLCGI.c

// gcc SimpleHTMLCGI.c -o SimpleHTMLCGI
#include <stdio.h>

void main()
{
    printf("Content-type: text/html\n\n");

    printf("<HTML>\n");
    printf("<HEAD>\n");
    printf("<TITLE>\n");
    printf("This is a test page for CGI return simple HTML doc\n");
    printf("</TITLE>\n");
    printf("</HEAD>\n");
    printf("<BODY>\n");
    printf("<H1>\n");
    printf("This is a test page for CGI return simple HTML doc\n");
    printf("</H1>\n");
    printf("</BODY>\n");
    printf("</HTML>\n");
}

SimpleTextCGI

HTML
<a href= "http://cyber.cs.ntou.edu.tw/cgi-bin/cgiwrap/~pyting/SimpleTextCGI">

C source: SimpleTextCGI.c

// gcc SimpleTExtCGI.c -o SimpleTextCGI
#include <stdio.h>

void main()
{
    printf("Content-type: text/plain\n\n");

    printf("This is a test page for CGI returns simple text\n");
}

SimpleImageCGI

HTML
<a href= "http://cyber.cs.ntou.edu.tw/cgi-bin/cgiwrap/~pyting/SimpleImageCGI">

the original image

C source: SimpleImageCGI.c

// gcc SimpleImageCGI.c -o SimpleImageCGI
#include <stdio.h>

void main()
{
    FILE *fp;
    int c;
    printf("Content-type: image/jpeg\n\n");

    fp = fopen("banner.jpg","rb");
    while ((c = getc(fp)) != EOF)
        putchar(c);
    fclose(fp);
}

SimpleDateTimeCGI

HTML
<a href= "http://cyber.cs.ntou.edu.tw/cgi-bin/cgiwrap/~pyting/SimpleDateTimeCGI">

C source: SimpleDateTimeCGI.c

// gcc SimpleDateTimeCGI.c -o SimpleDateTimeCGI

#include <stdio.h>
#include <sys/times.h>

void main()
{
    long tim;

    time(&tim);
    printf("Content-type: text/html\n\n");
    printf("Current time is %s", ctime(&tim));
}