ncurses 6.5 - patch 20240504

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

diff --git a/man/curs_add_wch.3x b/man/curs_add_wch.3x
index c729c7926617ec3c834d027a036c6bdbccab8dab..d1eb9a311fc81ae718d564648c615a80b053b957 100644 (file)
--- a/man/curs_add_wch.3x
+++ b/man/curs_add_wch.3x
@@ -1,5 +1,6 @@
+'\" t

 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright 2019-2021,2023 Thomas E. Dickey                                *
+.\" Copyright 2019-2023,2024 Thomas E. Dickey                                *

 .\" Copyright 2001-2015,2017 Free Software Foundation, Inc.                  *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" Copyright 2001-2015,2017 Free Software Foundation, Inc.                  *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *


@@ -27,37 +28,43 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_add_wch.3x,v 1.37 2023/07/15 16:45:14 tom Exp $
-.TH curs_add_wch 3X 2023-07-15 "ncurses 6.4" "Library calls"
-.ie \n(.g .ds `` \(lq
-.el       .ds `` ``
-.ie \n(.g .ds '' \(rq
-.el       .ds '' ''
+.\" $Id: curs_add_wch.3x,v 1.62 2024/04/20 21:20:07 tom Exp $
+.TH curs_add_wch 3X 2024-04-20 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.ie \n(.g \{\
+.ds `` \(lq
+.ds '' \(rq
+.\}
+.el \{\
+.ie t .ds `` ``
+.el   .ds `` ""
+.ie t .ds '' ''
+.el   .ds '' ""
+.\}
+.

 .de bP
 .ie n  .IP \(bu 4
 .el    .IP \(bu 2
 ..
 .SH NAME
 .de bP
 .ie n  .IP \(bu 4
 .el    .IP \(bu 2
 ..
 .SH NAME

-\fBadd_wch\fP,
-\fBwadd_wch\fP,
-\fBmvadd_wch\fP,
-\fBmvwadd_wch\fP,
-\fBecho_wchar\fP,
-\fBwecho_wchar\fP \- add a complex character and rendition to a \fBcurses\fP window, then advance the cursor
+\fB\%add_wch\fP,
+\fB\%wadd_wch\fP,
+\fB\%mvadd_wch\fP,
+\fB\%mvwadd_wch\fP,
+\fB\%echo_wchar\fP,
+\fB\%wecho_wchar\fP \-
+add a \fIcurses\fR complex character to a window and advance the cursor

 .SH SYNOPSIS
 .SH SYNOPSIS

-\fB#include <curses.h>\fP
-.sp
-.B "int add_wch( const cchar_t *\fIwch\fB );"
-.br
-.B "int wadd_wch( WINDOW *\fIwin\fP, const cchar_t *\fIwch\fB );"
-.br
-.B "int mvadd_wch( int \fIy\fP, int \fIx\fP, const cchar_t *\fIwch\fB );"
-.br
-.B "int mvwadd_wch( WINDOW *\fIwin\fP, int \fIy\fP, int \fIx\fP, const cchar_t *\fIwch\fB );"
-.sp
-.B "int echo_wchar( const cchar_t *\fIwch\fB );"
-.br
-.B "int wecho_wchar( WINDOW *\fIwin\fP, const cchar_t *\fIwch\fB );"
+.nf
+\fB#include <curses.h>
+.PP
+\fBint add_wch(const cchar_t *\fIwch\fP);
+\fBint wadd_wch(WINDOW *\fIwin\fP, const cchar_t *\fIwch\fP);
+\fBint mvadd_wch(int \fIy\fP, int \fIx\fP, const cchar_t *\fIwch\fP);
+\fBint mvwadd_wch(WINDOW *\fIwin\fP, int \fIy\fP, int \fIx\fP, const cchar_t *\fIwch\fP);
+.PP
+\fBint echo_wchar(const cchar_t *\fIwch\fP);
+\fBint wecho_wchar(WINDOW *\fIwin\fP, const cchar_t *\fIwch\fP);
+.fi

 .SH DESCRIPTION
 .SS add_wch
 The
 .SH DESCRIPTION
 .SS add_wch
 The


@@ -99,7 +106,7 @@ The \fBecho_wchar\fP
 function is functionally equivalent to a call to
 \fBadd_wch\fP
 followed by a call to
 function is functionally equivalent to a call to
 \fBadd_wch\fP
 followed by a call to

-\fBrefresh\fP(3X).
+\fB\%refresh\fP(3X).

 Similarly, the
 \fBwecho_wchar\fP
 is functionally equivalent to a call to
 Similarly, the
 \fBwecho_wchar\fP
 is functionally equivalent to a call to


@@ -110,99 +117,171 @@ The knowledge
 that only a single character is being output is taken into consideration and,
 for non-control characters, a considerable performance gain might be seen
 by using the *\fBecho\fP* functions instead of their equivalents.
 that only a single character is being output is taken into consideration and,
 for non-control characters, a considerable performance gain might be seen
 by using the *\fBecho\fP* functions instead of their equivalents.

-.SS Line Graphics
-Like \fBaddch\fP(3X),
+.SS "Line Graphics"
+Like \fB\%addch\fP(3X),

 \fBaddch_wch\fP accepts symbols which make it simple to draw lines and other
 frequently used special characters.
 These symbols correspond to the same VT100 line-drawing set as
 \fBaddch_wch\fP accepts symbols which make it simple to draw lines and other
 frequently used special characters.
 These symbols correspond to the same VT100 line-drawing set as

-\fBaddch\fP(3X).
+\fB\%addch\fP(3X).

 .PP
 .TS
 .PP
 .TS

-l l l l l
-l l l l l
-_ _ _ _ _
-lw(1.5i) lw5 lw5 lw5 lw20.
-\fBACS\fP      \fBUnicode\fP   \fBASCII\fP     \fBacsc\fP      \fBGlyph\fP
-\fBName\fP     \fBDefault\fP   \fBDefault\fP   \fBchar\fP      \fBName\fP
-WACS_BLOCK     0x25ae  #       0       solid square block
-WACS_BOARD     0x2592  #       h       board of squares
-WACS_BTEE      0x2534  +       v       bottom tee
-WACS_BULLET    0x00b7  o       ~       bullet
-WACS_CKBOARD   0x2592  :       a       checker board (stipple)
-WACS_DARROW    0x2193  v       .       arrow pointing down
-WACS_DEGREE    0x00b0  '       f       degree symbol
-WACS_DIAMOND   0x25c6  +       `       diamond
-WACS_GEQUAL    0x2265  >       >       greater-than-or-equal-to
-WACS_HLINE     0x2500  \-      q       horizontal line
-WACS_LANTERN   0x2603  #       i       lantern symbol
-WACS_LARROW    0x2190  <       ,       arrow pointing left
-WACS_LEQUAL    0x2264  <       y       less-than-or-equal-to
-WACS_LLCORNER  0x2514  +       m       lower left-hand corner
-WACS_LRCORNER  0x2518  +       j       lower right-hand corner
-WACS_LTEE      0x2524  +       t       left tee
-WACS_NEQUAL    0x2260  !       |       not-equal
-WACS_PI        0x03c0  *       {       greek pi
-WACS_PLMINUS   0x00b1  #       g       plus/minus
-WACS_PLUS      0x253c  +       n       plus
-WACS_RARROW    0x2192  >       +       arrow pointing right
-WACS_RTEE      0x251c  +       u       right tee
-WACS_S1        0x23ba  \-      o       scan line 1
-WACS_S3        0x23bb  \-      p       scan line 3
-WACS_S7        0x23bc  \-      r       scan line 7
-WACS_S9        0x23bd  \&_     s       scan line 9
-WACS_STERLING  0x00a3  f       }       pound-sterling symbol
-WACS_TTEE      0x252c  +       w       top tee
-WACS_UARROW    0x2191          ^       \-      arrow pointing up
-WACS_ULCORNER  0x250c  +       l       upper left-hand corner
-WACS_URCORNER  0x2510  +       k       upper right-hand corner
-WACS_VLINE     0x2502  |       x       vertical line
+Lb Lb Lb Lb Lb
+Lb Lb Lb Lb Lb
+Lb L  L  L  Lx.
+\&     Unicode ASCII   acsc    \&
+ACS Name       Default Default Char    Glyph Name
+_
+WACS_BLOCK     0x25ae  #       0       T{
+solid square block
+T}
+WACS_BOARD     0x2592  #       h       board of squares
+WACS_BTEE      0x2534  +       v       bottom tee
+WACS_BULLET    0x00b7  o       ~       bullet
+WACS_CKBOARD   0x2592  :       a       T{
+checker board (stipple)
+T}
+WACS_DARROW    0x2193  v       .       T{
+arrow pointing down
+T}
+WACS_DEGREE    0x00b0  '       f       degree symbol
+WACS_DIAMOND   0x25c6  +       \(ga    diamond
+WACS_GEQUAL    0x2265  >       >       T{
+greater-than-or-equal-to
+T}
+WACS_HLINE     0x2500  \-      q       horizontal line
+WACS_LANTERN   0x2603  #       i       lantern symbol
+WACS_LARROW    0x2190  <       ,       T{
+arrow pointing left
+T}
+WACS_LEQUAL    0x2264  <       y       T{
+less-than-or-equal-to
+T}
+WACS_LLCORNER  0x2514  +       m       T{
+lower left-hand corner
+T}
+WACS_LRCORNER  0x2518  +       j       T{
+lower right-hand corner
+T}
+WACS_LTEE      0x2524  +       t       left tee
+WACS_NEQUAL    0x2260  !       |       not-equal
+WACS_PI        0x03c0  *       {       greek pi
+WACS_PLMINUS   0x00b1  #       g       plus/minus
+WACS_PLUS      0x253c  +       n       plus
+WACS_RARROW    0x2192  >       +       T{
+arrow pointing right
+T}
+WACS_RTEE      0x251c  +       u       right tee
+WACS_S1        0x23ba  \-      o       scan line 1
+WACS_S3        0x23bb  \-      p       scan line 3
+WACS_S7        0x23bc  \-      r       scan line 7
+WACS_S9        0x23bd  \&_     s       scan line 9
+WACS_STERLING  0x00a3  f       }       T{
+pound-sterling symbol
+T}
+WACS_TTEE      0x252c  +       w       top tee
+WACS_UARROW    0x2191  ^       \-      T{
+arrow pointing up
+T}
+WACS_ULCORNER  0x250c  +       l       T{
+upper left-hand corner
+T}
+WACS_URCORNER  0x2510  +       k       T{
+upper right-hand corner
+T}
+WACS_VLINE     0x2502  |       x       vertical line

 .TE
 .PP
 .TE
 .PP

-The wide-character configuration of ncurses also defines symbols
+The wide-character configuration of \fI\%ncurses\fP also defines symbols

 for thick lines (\fBacsc\fP \*(``J\*('' to \*(``V\*(''):
 for thick lines (\fBacsc\fP \*(``J\*('' to \*(``V\*(''):

+.PP

 .TS
 .TS

-l l l l l
-l l l l l
-_ _ _ _ _
-lw(1.5i) lw5 lw5 lw5 lw20.
-\fBACS\fP      \fBUnicode\fP   \fBASCII\fP     \fBacsc\fP      \fBGlyph\fP
-\fBName\fP     \fBDefault\fP   \fBDefault\fP   \fBchar\fP      \fBName\fP
-WACS_T_BTEE    0x253b  +       V       thick tee pointing up
-WACS_T_HLINE   0x2501  -       Q       thick horizontal line
-WACS_T_LLCORNER        0x2517  +       M       thick lower left corner
-WACS_T_LRCORNER        0x251b  +       J       thick lower right corner
-WACS_T_LTEE    0x252b  +       T       thick tee pointing right
-WACS_T_PLUS    0x254b  +       N       thick large plus
-WACS_T_RTEE    0x2523  +       U       thick tee pointing left
-WACS_T_TTEE    0x2533  +       W       thick tee pointing down
-WACS_T_ULCORNER        0x250f  +       L       thick upper left corner
-WACS_T_URCORNER        0x2513  +       K       thick upper right corner
-WACS_T_VLINE   0x2503  |       X       thick vertical line
+Lb Lb Lb Lb Lb
+Lb Lb Lb Lb Lb
+Lb L  L  L  Lx.
+\&     Unicode ASCII   acsc    \&
+ACS Name       Default Default Char    Glyph Name
+_
+WACS_T_BTEE    0x253b  +       V       T{
+thick tee pointing up
+T}
+WACS_T_HLINE   0x2501  -       Q       T{
+thick horizontal line
+T}
+WACS_T_LLCORNER        0x2517  +       M       T{
+thick lower left corner
+T}
+WACS_T_LRCORNER        0x251b  +       J       T{
+thick lower right corner
+T}
+WACS_T_LTEE    0x252b  +       T       T{
+thick tee pointing right
+T}
+WACS_T_PLUS    0x254b  +       N       T{
+thick large plus
+T}
+WACS_T_RTEE    0x2523  +       U       T{
+thick tee pointing left
+T}
+WACS_T_TTEE    0x2533  +       W       T{
+thick tee pointing down
+T}
+WACS_T_ULCORNER        0x250f  +       L       T{
+thick upper left corner
+T}
+WACS_T_URCORNER        0x2513  +       K       T{
+thick upper right corner
+T}
+WACS_T_VLINE   0x2503  |       X       T{
+thick vertical line
+T}

 .TE
 .PP
 and for double-lines (\fBacsc\fP \*(``A\*('' to \*(``I\*(''):
 .PP
 .TS
 .TE
 .PP
 and for double-lines (\fBacsc\fP \*(``A\*('' to \*(``I\*(''):
 .PP
 .TS

-l l l l l
-l l l l l
-_ _ _ _ _
-lw(1.5i) lw5 lw5 lw5 lw20.
-\fBACS\fP      \fBUnicode\fP   \fBASCII\fP     \fBacsc\fP      \fBGlyph\fP
-\fBName\fP     \fBDefault\fP   \fBDefault\fP   \fBchar\fP      \fBName\fP
-WACS_D_BTEE    0x2569  +       H       double tee pointing up
-WACS_D_HLINE   0x2550  -       R       double horizontal line
-WACS_D_LLCORNER        0x255a  +       D       double lower left corner
-WACS_D_LRCORNER        0x255d  +       A       double lower right corner
-WACS_D_LTEE    0x2560  +       F       double tee pointing right
-WACS_D_PLUS    0x256c  +       E       double large plus
-WACS_D_RTEE    0x2563  +       G       double tee pointing left
-WACS_D_TTEE    0x2566  +       I       double tee pointing down
-WACS_D_ULCORNER        0x2554  +       C       double upper left corner
-WACS_D_URCORNER        0x2557  +       B       double upper right corner
-WACS_D_VLINE   0x2551  |       Y       double vertical line
+Lb Lb Lb Lb Lb
+Lb Lb Lb Lb Lb
+Lb L  L  L  Lx.
+\&     Unicode ASCII   acsc    \&
+ACS Name       Default Default Char    Glyph Name
+_
+WACS_D_BTEE    0x2569  +       H       T{
+double tee pointing up
+T}
+WACS_D_HLINE   0x2550  -       R       T{
+double horizontal line
+T}
+WACS_D_LLCORNER        0x255a  +       D       T{
+double lower left corner
+T}
+WACS_D_LRCORNER        0x255d  +       A       T{
+double lower right corner
+T}
+WACS_D_LTEE    0x2560  +       F       T{
+double tee pointing right
+T}
+WACS_D_PLUS    0x256c  +       E       T{
+double large plus
+T}
+WACS_D_RTEE    0x2563  +       G       T{
+double tee pointing left
+T}
+WACS_D_TTEE    0x2566  +       I       T{
+double tee pointing down
+T}
+WACS_D_ULCORNER        0x2554  +       C       T{
+double upper left corner
+T}
+WACS_D_URCORNER        0x2557  +       B       T{
+double upper right corner
+T}
+WACS_D_VLINE   0x2551  |       Y       T{
+double vertical line
+T}

 .TE
 .PP
 .TE
 .PP

-Unicode's descriptions for these characters differs slightly from ncurses,
+Unicode's descriptions for these characters differs slightly from
+\fI\%ncurses\fP,

 by introducing the term \*(``light\*('' (along with less important details).
 Here are its descriptions for the normal, thick, and double horizontal lines:
 .bP
 by introducing the term \*(``light\*('' (along with less important details).
 Here are its descriptions for the normal, thick, and double horizontal lines:
 .bP


@@ -214,7 +293,7 @@ U+2550 BOX DRAWINGS DOUBLE HORIZONTAL
 .SH RETURN VALUE
 All routines return the integer \fBERR\fP upon failure and \fBOK\fP on success.
 .PP
 .SH RETURN VALUE
 All routines return the integer \fBERR\fP upon failure and \fBOK\fP on success.
 .PP

-X/Open does not define any error conditions.
+X/Open Curses does not specify any error conditions.

 This implementation returns an error
 .bP
 if the window pointer is null or
 This implementation returns an error
 .bP
 if the window pointer is null or


@@ -223,19 +302,21 @@ if it is not possible to add a complete character in the window.
 .PP
 The latter may be due to different causes:
 .bP
 .PP
 The latter may be due to different causes:
 .bP

-If \fBscrollok\fP(3X) is not enabled,
+If \fB\%scrollok\fP(3X) is not enabled,

 writing a character at the lower right margin succeeds.
 writing a character at the lower right margin succeeds.

-However, an error is returned because
-it is not possible to wrap to a new line
+However,
+an error is returned because it is not possible to wrap to a new line.

 .bP
 If an error is detected when converting a multibyte character to a sequence
 of bytes,
 or if it is not possible to add all of the resulting bytes in the window,
 an error is returned.
 .PP
 .bP
 If an error is detected when converting a multibyte character to a sequence
 of bytes,
 or if it is not possible to add all of the resulting bytes in the window,
 an error is returned.
 .PP

-Functions with a \*(``mv\*('' prefix first perform a cursor movement using
-\fBwmove\fP, and return an error if the position is outside the window,
-or if the window pointer is null.
+Functions prefixed with \*(``mv\*('' first perform cursor movement and
+fail if the position
+.RI ( y ,
+.IR x )
+is outside the window boundaries.

 .SH NOTES
 Note that
 \fBadd_wch\fP,
 .SH NOTES
 Note that
 \fBadd_wch\fP,


@@ -244,22 +325,22 @@ Note that
 \fBecho_wchar\fP
 may be macros.
 .SH PORTABILITY
 \fBecho_wchar\fP
 may be macros.
 .SH PORTABILITY

-All of these functions are described in the XSI Curses standard, Issue 4.
+These functions are described in X/Open Curses, Issue 4.

 The defaults specified for line-drawing characters apply in the POSIX locale.
 The defaults specified for line-drawing characters apply in the POSIX locale.

-.SS WACS Symbols
+.SS "WACS Symbols"

 X/Open Curses makes it clear that the WACS_ symbols should be defined as
 a pointer to \fBcchar_t\fP data, e.g., in the discussion of \fBborder_set\fP.
 A few implementations are problematic:
 .bP
 NetBSD curses defines the symbols as a \fBwchar_t\fP within a \fBcchar_t\fP.
 .bP
 X/Open Curses makes it clear that the WACS_ symbols should be defined as
 a pointer to \fBcchar_t\fP data, e.g., in the discussion of \fBborder_set\fP.
 A few implementations are problematic:
 .bP
 NetBSD curses defines the symbols as a \fBwchar_t\fP within a \fBcchar_t\fP.
 .bP

-HPUX curses equates some of the \fBACS_\fP symbols
+HP-UX curses equates some of the \fBACS_\fP symbols

 to the analogous \fBWACS_\fP symbols as if the \fBACS_\fP symbols were
 wide characters.
 The misdefined symbols are the arrows
 and other symbols which are not used for line-drawing.
 .PP
 to the analogous \fBWACS_\fP symbols as if the \fBACS_\fP symbols were
 wide characters.
 The misdefined symbols are the arrows
 and other symbols which are not used for line-drawing.
 .PP

-X/Open Curses does not define symbols for thick- or double-lines.
+X/Open Curses does not specify symbols for thick- or double-lines.

 SVr4 curses implementations defined their line-drawing symbols in
 terms of intermediate symbols.
 This implementation extends those symbols, providing new definitions
 SVr4 curses implementations defined their line-drawing symbols in
 terms of intermediate symbols.
 This implementation extends those symbols, providing new definitions


@@ -270,18 +351,20 @@ alternate character sets (i.e., the \fBacsc\fP capability),
 with their corresponding line-drawing characters.
 X/Open Curses did not address the aspect of integrating Unicode with
 line-drawing characters.
 with their corresponding line-drawing characters.
 X/Open Curses did not address the aspect of integrating Unicode with
 line-drawing characters.

-Existing implementations of Unix curses (AIX, HPUX, Solaris)
+Existing implementations of Unix curses (AIX, HP-UX, Solaris)

 use only the \fBacsc\fP character-mapping to provide this feature.
 As a result, those implementations can only use single-byte line-drawing
 characters.
 use only the \fBacsc\fP character-mapping to provide this feature.
 As a result, those implementations can only use single-byte line-drawing
 characters.

-Ncurses 5.3 (2002) provided a table of Unicode values to solve these problems.
+\fI\%ncurses\fP 5.3 (2002) provided a table of Unicode values to solve
+these problems.

 NetBSD curses incorporated that table in 2010.
 .PP
 In this implementation, the Unicode values are used instead of the
 NetBSD curses incorporated that table in 2010.
 .PP
 In this implementation, the Unicode values are used instead of the

-terminal description's \fBacsc\fP mapping as discussed in ncurses(3X)
-for the environment variable \fBNCURSES_NO_UTF8_ACS\fP.
+terminal description's \fBacsc\fP mapping as discussed in
+\fB\%ncurses\fP(3X) for the environment variable
+\fINCURSES_NO_UTF8_ACS\fP.

 In contrast, for the same cases, the line-drawing characters
 In contrast, for the same cases, the line-drawing characters

-described in \fBcurs_addch\fP(3X) will use only the ASCII default values.
+described in \fB\%addch\fP(3X) will use only the ASCII default values.

 .PP
 Having Unicode available does not solve all of the problems with
 line-drawing for curses:
 .PP
 Having Unicode available does not solve all of the problems with
 line-drawing for curses:


@@ -322,7 +405,7 @@ Others have suggested these alternatives:
 \[u2327] U+2327 (x in a rectangle),
 \[u256C] U+256C (forms double vertical and horizontal), and
 \[u2612] U+2612 (ballot box with x).
 \[u2327] U+2327 (x in a rectangle),
 \[u256C] U+256C (forms double vertical and horizontal), and
 \[u2612] U+2612 (ballot box with x).

-.SS Complex Characters
+.SS "Complex Characters"

 The complex character type \fBcchar_t\fR
 can store more than one wide character (\fBwchar_t\fR).
 The X/Open Curses description does not mention this possibility,
 The complex character type \fBcchar_t\fR
 can store more than one wide character (\fBwchar_t\fR).
 The X/Open Curses description does not mention this possibility,


@@ -330,7 +413,7 @@ describing only the cases where \fIwch\fP is a spacing character
 or a non-spacing character.
 .PP
 This implementation assumes that \fIwch\fP is constructed using
 or a non-spacing character.
 .PP
 This implementation assumes that \fIwch\fP is constructed using

-\fBsetcchar\fP(3X), and in turn that the result
+\fB\%setcchar\fP(3X), and in turn that the result

 .bP
 contains at most one spacing character in the beginning of its list of wide
 characters,
 .bP
 contains at most one spacing character in the beginning of its list of wide
 characters,


@@ -339,16 +422,28 @@ or
 .bP
 may hold one non-spacing character.
 .PP
 .bP
 may hold one non-spacing character.
 .PP

-In the latter case, ncurses adds the non-spacing character to the active
+In the latter case,
+\fI\%ncurses\fP adds the non-spacing character to the active

 (base) spacing character.
 (base) spacing character.

+.SS TABSIZE
+The
+.B TABSIZE
+variable is implemented in SVr4 and other versions of
+.IR curses ,
+but is not specified by X/Open Curses
+(see \fBcurs_variables\fP(3X)).

 .SH SEE ALSO
 .SH SEE ALSO

-.na
-.hy 0
-\fBcurses\fP(3X),
-\fBcurs_addch\fP(3X),
-\fBcurs_attr\fP(3X),
-\fBcurs_clear\fP(3X),
-\fBcurs_getcchar\fP(3X),
-\fBcurs_outopts\fP(3X),
-\fBcurs_refresh\fP(3X),
-\fBputwc\fP(3)
+\fB\%curs_addch\fP(3X) describes comparable functions of the
+.I \%ncurses
+library in its non-wide-character configuration.
+.PP
+\fB\%curses\fP(3X),
+\fB\%curs_addwstr\fP(3X),
+\fB\%curs_add_wchstr\fP(3X),
+\fB\%curs_attr\fP(3X),
+\fB\%curs_clear\fP(3X),
+\fB\%curs_getcchar\fP(3X),
+\fB\%curs_outopts\fP(3X),
+\fB\%curs_refresh\fP(3X),
+\fB\%curs_variables\fP(3X),
+\fB\%putwc\fP(3)