Re: warnings, errors;source code is included

[James Henstridge <james daa com au>]

As someone replied to you, this means you have not specified return values
for some of your functions.  Specifically, the functions
UpdateProgressTimer and main.  If you don't want them to return anything,
use the return type void (so you would use "void main(..." instead of just
"main(...").

James.

--
Email: james@daa.com.au
WWW:   http://www.daa.com.au/~james/


On Sun, 14 Nov 1999, * * wrote:

> Hi,
> I am getting warnings and errors like "implicit declarations .. and  return 
> type defualts to int"
> from the following source code. This ia oneof the examples in "Eric 
> Harlow"'s  book.
> (by the way very good book). I am new to programming and i have tried 
> everything i could.
> 
> #include <gtk/gtk.h>
> int ptimer;
> int nValue;
> UpdateProgressTimer (gpointer data)
> {
>   nValue += 1;
>   UpdatePrgress (nValue, 100);
>   if (nValue == 100) {
>      EndPorgress ();
>      gtk_timeout_remove (ptimer);
>     }
> }
> gint ButtonClicked (GtkWidget *widget, gpointer data)
> {
>   nValue = 0;
>   StartProgress ();
>   ptimer  = gtk_timeout_add (100, UpdateProgressTimer, data);
> }
> gint CloseAppWindow ()
> {
>   gtk_main_quit ();
>   return (FALSE);
> }
> main (int argc, char *argv[])
> {
>   GtkWidget *window;
>   GtkWidget *button;
>   gtk_init (&argc, &argv);
>   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
>   gtk_window_set_title (GTK_WINDOW (window), "Progess bar");
>   gtk_signal_connect (GTK_OBJECT (window), "delete_event",
>                                 GTK_SIGNAL_FUNC (CloseAppWindow), NULL);
>   button = gtk_button_new_with_label ("Progress bar");
>   gtk_widget_show (button);
>   gtk_signal_connect (GTK_OBJECT (button) , "clicked",
>                                 GTK_SIGNAL_FUNC (ButtonClicked), NULL);
>   gtk_container_add (GTK_CONTAINER (window), button);
>   gtk_widget_show (window);
>   gtk_main ();
>   exit (0);
> }
> 
> 
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