ncurses 6.1 - patch 20191005

[ncurses.git] / man / form_field_new.3x

diff --git a/man/form_field_new.3x b/man/form_field_new.3x
index 969152057d6d9cb4abc93d3abe2c00092ebd4d60..38f34bbe6e394737758dd7a1e9bd063b74640252 100644 (file)
--- a/man/form_field_new.3x
+++ b/man/form_field_new.3x
@@ -1,6 +1,6 @@
 '\" t
 .\"***************************************************************************
-.\" Copyright (c) 1998,2002 Free Software Foundation, Inc.                   *
+.\" Copyright (c) 1998-2015,2018 Free Software Foundation, Inc.              *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *
@@ -27,10 +27,13 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: form_field_new.3x,v 1.11 2002/02/16 22:39:52 tom Exp $
+.\" $Id: form_field_new.3x,v 1.20 2018/07/28 21:34:06 tom Exp $
 .TH form_field_new 3X ""
 .SH NAME
-\fBform_field_new\fR - create and destroy form fields
+\fBnew_field\fR,
+\fBdup_field\fR,
+\fBlink_field\fR,
+\fBfree_field\fR \- create and destroy form fields
 .SH SYNOPSIS
 \fB#include <form.h>\fR
 .br
@@ -48,49 +51,57 @@ int free_field(FIELD *field);
 The function \fBnew_field\fR allocates a new field and initializes 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 \fBdup_field\fR duplicates a field at a new location.  Most
+.PP
+The function \fBdup_field\fR duplicates a field at a new location.
+Most
 attributes (including current contents, size, validation type, buffer count,
 growth threshold, justification, foreground, background, pad character,
-options, and user pointer) are copied.  Field status and the field page bit are
+options, and user pointer) are copied.
+Field status and the field page bit are
 not copied.
-
+.PP
 The function \fBlink_field\fR acts like \fBdup_field\fR, but the new field
-shares buffers with its parent.  Attribute data is separate.
-
+shares buffers with its parent.
+Attribute data is separate.
+.PP
 The function \fBfree_field\fR de-allocates storage associated with a field.
 .SH RETURN VALUE
 The function, \fBnew_field\fR, \fBdup_field\fR, \fBlink_field\fR return
 \fBNULL\fR on error.
-
-The function \fBfree_field\fR returns one of the following:
+They set errno according to their success:
 .TP 5
-\fBE_OK\fR
+.B E_OK
 The routine succeeded.
 .TP 5
-\fBE_SYSTEM_ERROR\fR
-System error occurred (see \fBerrno\fR).
+.B E_BAD_ARGUMENT
+Routine detected an incorrect or out-of-range argument.
+.TP 5
+.B E_SYSTEM_ERROR
+System error occurred, e.g., malloc failure.
+.PP
+The function \fBfree_field\fR returns one of the following:
 .TP 5
-\fBE_BAD_ARGUMENT\fR
+.B E_OK
+The routine succeeded.
+.TP 5
+.B E_BAD_ARGUMENT
 Routine detected an incorrect or out-of-range argument.
+.TP 5
+.B E_CONNECTED
+field is connected.
 .SH SEE ALSO
 \fBcurses\fR(3X), \fBform\fR(3X).
 .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
+These routines emulate the System V forms library.
+They were not supported on
 Version 7 or BSD versions.
-
+.PP
 It may be unwise to count on the set of attributes copied by
-\fBdup_field\fR(3X) being portable; the System V forms library documents are
-not very explicit on what gets copied and was not.
+\fBdup_field\fR being portable; the System V forms library documents are
+not very explicit about what gets copied and what does not.
 .SH AUTHORS
-Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.