X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fform_hook.3x;h=7dfa838e10267cd3fb4d125abad57c189c3396b4;hp=2943b8804993669e7ce457d71a1575845fc5230a;hb=17c5992a16be94247b83f2bbb9accdd9b7e7bb72;hpb=6941ed1e8bfdfc7634a57655dc71e7a7ed02a6e8 diff --git a/man/form_hook.3x b/man/form_hook.3x index 2943b880..7dfa838e 100644 --- a/man/form_hook.3x +++ b/man/form_hook.3x @@ -1,6 +1,6 @@ '\" t .\"*************************************************************************** -.\" Copyright (c) 1998-2007,2010 Free Software Foundation, Inc. * +.\" Copyright (c) 1998-2010,2018 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 * @@ -27,7 +27,7 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: form_hook.3x,v 1.11 2010/12/04 18:40:45 tom Exp $ +.\" $Id: form_hook.3x,v 1.12 2018/07/28 21:34:06 tom Exp $ .TH form_hook 3X "" .SH NAME \fBform_hook\fR \- set hooks for automatic invocation by applications @@ -55,25 +55,30 @@ 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 @@ -87,8 +92,9 @@ System error occurred (see \fBerrno\fR). 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. +Juergen Pfeifer. +Manual pages and adaptation for new curses by Eric S. Raymond.