form_field_new man page on BSDi

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form_field_new(3)				form_field_new(3)

NAME
       form_field_new - create and destroy form fields

SYNOPSIS
       #include <form.h>
       FIELD *new_field(int height, int width,
			int toprow, int leftcol,
			int offscreen, int nbuffers);
       FIELD *dup_field(FIELD *field, int toprow, int leftcol);
       FIELD *link_field(FIELD *field, int toprow, int leftcol);
       int free_field(FIELD *field);

DESCRIPTION
       The  function new_field allocates a new field and initial-
       izes it from the parameters given: height, width,  row  of
       upper-left  corner,  column  of	upper-left corner, number
       off-screen rows, and number of additional working buffers.

       The  function  dup_field duplicates a field at a new loca-
       tion.  Most attributes (including current contents,  size,
       validation  type, buffer count, growth threshold, justifi-
       cation, foreground, background,	pad  character,	 options,
       and  user pointer) are copied.  Field status and the field
       page bit are not copied.

       The function link_field acts like dup_field, but	 the  new
       field  shares  buffers with its parent.	Attribute data is
       separate.

       The function free_field	de-allocates  storage  associated
       with a field.

RETURN VALUE
       The function, new_field, dup_field, link_field return NULL
       on error.

       The function free_field returns one of the following:

       E_OK The routine succeeded.

       E_SYSTEM_ERROR
	    System error occurred (see errno).

       E_BAD_ARGUMENT
	    Routine detected an incorrect or  out-of-range  argu-
	    ment.

SEE ALSO
       curses(3), form(3X).

NOTES
       The header file <form.h> automatically includes the header
       file <curses.h>.

								1

form_field_new(3)				form_field_new(3)

PORTABILITY
       These routines emulate the System V forms  library.   They
       were not supported on Version 7 or BSD versions.

       It  may be unwise to count on the set of attributes copied
       by dup_field(3) being portable; the System V forms library
       documents  are  not  very explicit on what gets copied and
       was not.

AUTHORS
       Juergen Pfeifer.	 Manual	 pages	and  adaptation	 for  new
       curses by Eric S. Raymond.

								2

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