X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fform_hook.3x;h=803fadd83e572e46d0e78de22b3902354127f26d;hp=cd47a24a59c811e9727ba5506e8fe174162411a7;hb=eccca377f55c70b12e3e92621d94d1e1c1fcfb7d;hpb=b6d7123594f6959ad0a6602b3952d9e6abe261a0 diff --git a/man/form_hook.3x b/man/form_hook.3x index cd47a24a..803fadd8 100644 --- a/man/form_hook.3x +++ b/man/form_hook.3x @@ -1,6 +1,6 @@ '\" t .\"*************************************************************************** -.\" Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * +.\" Copyright (c) 1998-2018,2019 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 +27,10 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: form_hook.3x,v 1.9 2007/02/24 17:34:18 tom Exp $ +.\" $Id: form_hook.3x,v 1.13 2019/01/20 20:31:42 tom Exp $ .TH form_hook 3X "" .SH NAME -\fBform_hook\fR - set hooks for automatic invocation by applications +\fBform_hook\fR \- set hooks for automatic invocation by applications .SH SYNOPSIS \fB#include \fR .br @@ -55,46 +55,46 @@ These functions make it possible to set hook functions to be called at various points in the automatic processing of input event codes by \fBform_driver\fR. .PP The function \fBset_field_init\fR sets a hook to be called at form-post time -and each time the selected field changes (after the change). \fBfield_init\fR +and each time the selected field changes (after the change). +\fBfield_init\fR returns the current field init hook, if any (\fBNULL\fR if there is no such hook). .PP The function \fBset_field_term\fR sets a hook to be called at form-unpost time -and each time the selected field changes (before the change). \fBfield_term\fR +and each time the selected field changes (before the change). +\fBfield_term\fR returns the current field term hook, if any (\fBNULL\fR if there is no such hook). .PP The function \fBset_form_init\fR sets a hook to be called at form-post time and -just after a page change once it is posted. \fBform_init\fR returns the +just after a page change once it is posted. +\fBform_init\fR returns the current form init hook, if any (\fBNULL\fR if there is no such hook). .PP The function \fBset_form_term\fR sets a hook to be called at form-unpost time -and just before a page change once it is posted. \fBform_init\fR +and just before a page change once it is posted. +\fBform_init\fR returns the current form term hook, if any (\fBNULL\fR if there is no such hook). .SH RETURN VALUE -Routines that return pointers return \fBNULL\fR on error. Other routines +Routines that return pointers return \fBNULL\fR on error. +Other routines return one of the following: .TP 5 .B E_OK The routine succeeded. .TP 5 .B E_SYSTEM_ERROR -System error occurred (see \fBerrno\fR). +System error occurred (see \fBerrno\fR(3)). .SH SEE ALSO \fBcurses\fR(3X), \fBform\fR(3X). .SH NOTES The header file \fB\fR automatically includes the header file \fB\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. .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.