Determines if the browser supports images. Does not return a value. Converts the escape sequences in the URI to real characters. Returns an integer. Parses the server data and puts it into the linked list pointed to by entries .
Searches list l for name name and returns it if it is found.
Does not return a value. Prints the CGI environment variables. Does not return a value. Prints out the linked list pointed to by llist . Removes shell metacharacters from the string pointed to by str .