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'\" t
.\" $OpenBSD: form_field_info.3,v 1.4 1997/12/03 05:46:29 millert Exp $
.TH form_field_info 3 ""
.SH NAME
\fBform_field_info\fR - retrieve field characteristics
.SH SYNOPSIS
\fB#include <form.h>\fR
.br
int field_info(const FIELD *field, int *rows, int *cols,
int *frow, int *fcol, int *nrow, int *nbuf);
.br
int dynamic_field_info(const FIELD *field, int *rows, int *cols, *max);
.br
.SH DESCRIPTION
The function \fBfield_info\fR 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 \fBdynamic_field_info\fR 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 \fBO_STATIC\fR).
.SH RETURN VALUE
These routines return one of the following:
.TP 5
\fBE_OK\fR
The routine succeeded.
.TP 5
\fBE_SYSTEM_ERROR\fR
System error occurred (see \fBerrno\fR).
.TP 5
\fBE_BAD_ARGUMENT\fR
Routine detected an incorrect or out-of-range argument.
.SH SEE ALSO
\fBcurses\fR(3) and 3 pages whose names begin "form_" for detailed
descriptions of the entry points.
.SH NOTES
The header file \fB<form.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
These routines emulate the System V forms library. They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
S. Raymond.
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