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field_info(3)

NAME

       form_field_info - retrieve field characteristics


SYNOPSIS

       #include <form.h>
       int field_info(const FIELD *field, int *rows, int *cols,
		     int *frow, int *fcol, int *nrow, int *nbuf);
       int  dynamic_field_info(const  FIELD  *field, int *rows, int *cols, int
       *max);


DESCRIPTION

       The function field_info returns the sizes and other  attributes	passed
       in  to  the  field  at  its creation time.  The attributes are: height,
       width, row of upper-left corner, column of  upper-left  corner,	number
       off-screen rows, and number of working buffers.

       The  function  dynamic_field_info returns the actual size of the field,
       and its maximum possible size.  If the field has  no  size  limit,  the
       location  addressed  by	the third argument will be set to 0.  (A field
       can be made dynamic by turning off the O_STATIC).


RETURN VALUE

       These routines return 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 argument.


SEE ALSO

       curses(3X) and related pages whose names  begin	"form_"  for  detailed
       descriptions of the entry points.


NOTES

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


PORTABILITY

       These routines emulate the System V forms library.  They were not  sup-
       ported on Version 7 or BSD versions.

       A  null	(zero  pointer)  is  accepted for any of the return values, to
       ignore that value.  Not all implementations allow this,	e.g.,  Solaris
       2.7 does not.


AUTHORS

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

							   form_field_info(3X)

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