INTELLIGENT WORK FORUMS
FOR COMPUTER PROFESSIONALS

Member Login

Come Join Us!

Are you a
Computer / IT professional?
Join Tek-Tips now!

Talk With Other Members
Be Notified Of Responses
To Your Posts
Keyword Search
One-Click Access To Your
Favorite Forums
Automated Signatures
On Your Posts
Best Of All, It's Free!

*Tek-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

LINK TO THIS FORUM!

Tek-Tips LinkedIn^® Group

Join our
LinkedIn^® Group!

Hook up with past and present colleagues and classmates quickly.

Partner With Us!

"Best Of Breed" Forums Add Stickiness To Your Site

(Download This Button Today!)

Feedback

"...Your information in this site is absolutely WONDERFUL. It is the most useful site on the web to me right now. Thank You Thank You..."

More...

Geography

Where in the world do Tek-Tips members come from?

Click Here To Find Out!

Tek-Tips Shirts!

Get your
Tek-Tips Forums
SWAG here!

Home > Forums > Programmers > Languages > Pascal in the workplace Forum

Input prompts calling procedures

CODE

program myst;
uses crt;
yn1 : char;  <---variable for yes or no

(*------------------------*)
procedure enter_name;
begin
      writeln ('Do you like this name?');
      yn1 := GetKey;
      readln (yn1)
      If yn1 = #78 then enter_name;
      if yn1 = #89 then name_pref;
end;
procedure name_pref;
begin
clrscr;
end;
end.

(in the 2nd if statement, i get an Unknown identifier error. how do i make that if statement take me to the name_pref procedure?)

Thanks,
Dubbemiah

lionelhill (TechnicalUser)

3 Apr 05 8:57

When name_pref appears after the if statement in the code, then at the time the "if" is compiled, the compiler doesn't yet know about its existence, hence the error.
To deal with this, declare name_pref before the if. The best thing is just to move the entire procedure to above the if statement. If that can't be done, then add a forward declaration:
procedure name_pref; forward;
somewhere before the if, and include the procedure with its full code later as normal.
Good luck.

Reply To This Thread

Posting in the Tek-Tips forums is a member-only feature.

Click Here to join Tek-Tips and talk with other members!

Back To Forum

Back To Pascal in the workplace