form_win, set_form_win, set_form_sub, form_sub, scale_form - forms window and subwindow association routines
cc [ flag... ] file... –lform –lcurses [ library... ] #include <form.h> int set_form_win(FORM *form, WINDOW *win);
WINDOW *form_win(FORM *form);
int set_form_sub(FORM *form, WINDOW *sub);
WINDOW *form_sub(FORM *form);
int scale_form(FORM *form, int *rows, int *cols);
set_form_win() sets the window of form to win. form_win() returns a pointer to the window associated with form.set_form_sub() sets the subwindow of form to sub. form_sub() returns a pointer to the subwindow associated with form.scale_form() returns the smallest window size necessary for the subwindow of form. rows and cols are pointers to the locations used to return the number of rows and columns for the form.
Routines that return pointers always return NULL on error. Routines that return an integer return one of the following:
The function returnedsuccessfully.
System error.
An argument is incorrect.
The field is not connected to a form.
The form is posted.
See attributes(5) for descriptions of the following attributes:
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curses(3CURSES), forms(3CURSES), attributes(5)
The header <form.h> automatically includes the headers <eti.h> and <curses.h>.