Saving Files

#include "graphapp.h"

void close_it(window w)
{
  char *filename = NULL;
  int result = askyesnocancel("Save changes?");

  if (result == YES) {
    filename = askfilename("Save the file as:", "untitled.txt");
    /* save the file somehow */
    askok("The file was sucessfully saved.");
  }
  else if (result == CANCEL)
     return;

  hide(w);
}

void main(void)
{
  window w;

  w = newwindow("Text Editor", rect(0,0,300,250),
                 StandardWindow);
  setclose(w, close_it);
  show(w);
  mainloop();
}

• Source code: savefile.c