Gateways and CGI Programming

1. environment.C: read the environment variables.
2. map.C: create and search a map, a.k.a. an associative array.
3. form.html: an HTML page containing a form with widgets. Put this page in the public_html subdirectory of your home directory on storm.cis.fordham.edu.
4. display.C a gateway program launched by the SUBMIT button in the above form.

   cd
   cd public_html       (public_html has an underscore, not a dash.)
   pwd
   wget https://markmeretzky.com/fordham/2000/src/gateway/form.html
   
   mkdir cgi-bin        (cgi-bin has a dash, not an underscore.)
   cd cgi-bin
   pwd
   
   wget https://markmeretzky.com/fordham/2000/src/gateway/display.C
   c++ display.C
   ls -l a.out
   
   mv a.out display.cgi
   ls -l display.cgi
   

   Then edit the form.html you just downloaded, and in the ACTION attribute of the FORM tag, change my Fordham name mmeretzky to your Fordham name. Then point your browser at
   https://storm.cis.fordham.edu/~jsmith/form.html
   where jsmith is your Fordham name.

5. bmi.html and bmi.C to compute your Body Mass Index.

   cd ~/public_html
   wget https://markmeretzky.com/fordham/2000/src/gateway/bmi.html
   
   cd cgi-bin
   wget https://markmeretzky.com/fordham/2000/src/gateway/bmi.C
   c++ bmi.C
   ls -l a.out
   
   mv a.out bmi.cgi
   ls -l bmi.cgi
   

   Then edit the form.html you just downloaded, and in the ACTION attribute of the FORM tag, change my Fordham name mmeretzky to your Fordham name. Then point your browser at
   https://storm.cis.fordham.edu/~jsmith/bmi.html
   where jsmith is your Fordham name.