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diff --git a/doc/html/man/curs_add_wch.3x.html b/doc/html/man/curs_add_wch.3x.html index eb5506199a95..f7f0c2432e05 100644 --- a/doc/html/man/curs_add_wch.3x.html +++ b/doc/html/man/curs_add_wch.3x.html @@ -1,7 +1,6 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> <!-- **************************************************************************** - * Copyright (c) 2001-2011,2012 Free Software Foundation, Inc. * + * Copyright (c) 2001-2017,2019 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 * @@ -27,204 +26,269 @@ * sale, use or other dealings in this Software without prior written * * authorization. * **************************************************************************** - * @Id: curs_add_wch.3x,v 1.15 2012/11/03 23:03:59 tom Exp @ + * @Id: curs_add_wch.3x,v 1.25 2019/10/27 00:07:13 tom Exp @ --> +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML> <HEAD> +<meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> +<meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts"> <TITLE>curs_add_wch 3x</TITLE> -<link rev=made href="mailto:bug-ncurses@gnu.org"> +<link rel="author" href="mailto:bug-ncurses@gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> </HEAD> <BODY> -<H1>curs_add_wch 3x</H1> -<HR> +<H1 class="no-header">curs_add_wch 3x</H1> <PRE> -<!-- Manpage converted by man2html 3.0.1 --> -<STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> +<STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> -</PRE> -<H2>NAME</H2><PRE> - <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, <STRONG>echo_wchar</STRONG>, - <STRONG>wecho_wchar</STRONG> - add a complex character and rendition to a - <STRONG>curses</STRONG> window, then advance the cursor +</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE> + <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, <STRONG>echo_wchar</STRONG>, <STRONG>wecho_wchar</STRONG> - add + a complex character and rendition to a <STRONG>curses</STRONG> window, then advance the + cursor -</PRE> -<H2>SYNOPSIS</H2><PRE> +</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE> <STRONG>#include</STRONG> <STRONG><curses.h></STRONG> <STRONG>int</STRONG> <STRONG>add_wch(</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> <STRONG>int</STRONG> <STRONG>wadd_wch(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> <STRONG>int</STRONG> <STRONG>mvadd_wch(</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> - <STRONG>int</STRONG> <STRONG>mvwadd_wch(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> - <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> + <STRONG>int</STRONG> <STRONG>mvwadd_wch(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> <STRONG>int</STRONG> <STRONG>echo_wchar(</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> <STRONG>int</STRONG> <STRONG>wecho_wchar(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG> -</PRE> -<H2>DESCRIPTION</H2><PRE> - The <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, and <STRONG>mvwadd_wch</STRONG> functions - put the complex character <EM>wch</EM> into the given window at its - current position, which is then advanced. These functions - perform wrapping and special-character processing as fol- - lows: - - <STRONG>o</STRONG> If <EM>wch</EM> refers to a spacing character, then any previ- - ous character at that location is removed. A new - character specified by <EM>wch</EM> is placed at that location - with rendition specified by <EM>wch</EM>. The cursor then - advances to the next spacing character on the screen. - - <STRONG>o</STRONG> If <EM>wch</EM> refers to a non-spacing character, all previous - characters at that location are preserved. The non- - spacing characters of <EM>wch</EM> are added to the spacing - complex character, and the rendition specified by <EM>wch</EM> - is ignored. - - <STRONG>o</STRONG> If the character part of <EM>wch</EM> is a tab, newline, - backspace or other control character, the window is - updated and the cursor moves as if <STRONG>addch</STRONG> were called. - - The <STRONG>echo_wchar</STRONG> function is functionally equivalent to a - call to <STRONG>add_wch</STRONG> followed by a call to <STRONG>refresh</STRONG>. Similarly, - the <STRONG>wecho_wchar</STRONG> is functionally equivalent to a call to - <STRONG>wadd_wch</STRONG> followed by a call to <STRONG>wrefresh</STRONG>. The knowledge - that only a single character is being output is taken into - consideration and, for non-control characters, a consider- - able performance gain might be seen by using the *<STRONG>echo</STRONG>* - functions instead of their equivalents. - - <STRONG>Line</STRONG> <STRONG>Graphics</STRONG> - Like <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>, <STRONG>addch_wch</STRONG> 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 <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>. - - <EM>Name</EM> <EM>Unicode</EM> <EM>Default</EM> <EM>Description</EM> - ---------------------------------------------------------------- - WACS_BLOCK 0x25ae # solid square block - WACS_BOARD 0x2592 # board of squares - WACS_BTEE 0x2534 + bottom tee - WACS_BULLET 0x00b7 o bullet - WACS_CKBOARD 0x2592 : checker board (stipple) - - WACS_DARROW 0x2193 v arrow pointing down - WACS_DEGREE 0x00b0 ' degree symbol - WACS_DIAMOND 0x25c6 + diamond - WACS_GEQUAL 0x2265 > greater-than-or-equal-to - WACS_HLINE 0x2500 - horizontal line - WACS_LANTERN 0x2603 # lantern symbol - WACS_LARROW 0x2190 < arrow pointing left - WACS_LEQUAL 0x2264 < less-than-or-equal-to - WACS_LLCORNER 0x2514 + lower left-hand corner - WACS_LRCORNER 0x2518 + lower right-hand corner - WACS_LTEE 0x2524 + left tee - WACS_NEQUAL 0x2260 ! not-equal - WACS_PI 0x03c0 * greek pi - WACS_PLMINUS 0x00b1 # plus/minus - WACS_PLUS 0x253c + plus - WACS_RARROW 0x2192 > arrow pointing right - WACS_RTEE 0x251c + right tee - WACS_S1 0x23ba - scan line 1 - WACS_S3 0x23bb - scan line 3 - WACS_S7 0x23bc - scan line 7 - WACS_S9 0x23bd _ scan line 9 - WACS_STERLING 0x00a3 f pound-sterling symbol - WACS_TTEE 0x252c + top tee - WACS_UARROW 0x2191 ^ arrow pointing up - WACS_ULCORNER 0x250c + upper left-hand corner - WACS_URCORNER 0x2510 + upper right-hand corner - WACS_VLINE 0x2502 | vertical line - - The wide-character configuration of ncurses also defines - symbols for thick- and double-lines: - - <EM>Name</EM> <EM>Unicode</EM> <EM>Default</EM> <EM>Description</EM> - --------------------------------------------------------------------- - WACS_T_ULCORNER 0x250f + thick upper left corner - WACS_T_LLCORNER 0x2517 + thick lower left corner - WACS_T_URCORNER 0x2513 + thick upper right corner - WACS_T_LRCORNER 0x251b + thick lower right corner - WACS_T_LTEE 0x252b + thick tee pointing right - WACS_T_RTEE 0x2523 + thick tee pointing left - WACS_T_BTEE 0x253b + thick tee pointing up - WACS_T_TTEE 0x2533 + thick tee pointing down - WACS_T_HLINE 0x2501 - thick horizontal line - WACS_T_VLINE 0x2503 | thick vertical line - WACS_T_PLUS 0x254b + thick large plus or crossover - WACS_D_ULCORNER 0x2554 + double upper left corner - WACS_D_LLCORNER 0x255a + double lower left corner - WACS_D_URCORNER 0x2557 + double upper right corner - WACS_D_LRCORNER 0x255d + double lower right corner - WACS_D_RTEE 0x2563 + double tee pointing left - WACS_D_LTEE 0x2560 + double tee pointing right - WACS_D_BTEE 0x2569 + double tee pointing up - WACS_D_TTEE 0x2566 + double tee pointing down - WACS_D_HLINE 0x2550 - double horizontal line - WACS_D_VLINE 0x2551 | double vertical line - WACS_D_PLUS 0x256c + double large plus or crossover +</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE> + +</PRE><H3><a name="h3-add_wch">add_wch</a></H3><PRE> + The <STRONG>add_wch</STRONG>, <STRONG>wadd_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, and <STRONG>mvwadd_wch</STRONG> functions put the com- + plex character <EM>wch</EM> into the given window at its current position, which + is then advanced. These functions perform wrapping and special-charac- + ter processing as follows: + + <STRONG>o</STRONG> If <EM>wch</EM> refers to a spacing character, then any previous character + at that location is removed. A new character specified by <EM>wch</EM> is + placed at that location with rendition specified by <EM>wch</EM>. The cur- + sor then advances to the next spacing character on the screen. + + <STRONG>o</STRONG> If <EM>wch</EM> refers to a non-spacing character, all previous characters + at that location are preserved. The non-spacing characters of <EM>wch</EM> + are added to the spacing complex character, and the rendition spec- + ified by <EM>wch</EM> is ignored. + + <STRONG>o</STRONG> If the character part of <EM>wch</EM> is a tab, newline, backspace or other + control character, the window is updated and the cursor moves as if + <STRONG>addch</STRONG> were called. + + +</PRE><H3><a name="h3-echo_wchar">echo_wchar</a></H3><PRE> + The <STRONG>echo_wchar</STRONG> function is functionally equivalent to a call to <STRONG>add_wch</STRONG> + followed by a call to <STRONG><A HREF="curs_refresh.3x.html">refresh(3x)</A></STRONG>. Similarly, the <STRONG>wecho_wchar</STRONG> is func- + tionally equivalent to a call to <STRONG>wadd_wch</STRONG> followed by a call to <STRONG>wre-</STRONG> + <STRONG>fresh</STRONG>. The knowledge that only a single character is being output is + taken into consideration and, for non-control characters, a consider- + able performance gain might be seen by using the *<STRONG>echo</STRONG>* functions + instead of their equivalents. + + +</PRE><H3><a name="h3-Line-Graphics">Line Graphics</a></H3><PRE> + Like <STRONG><A HREF="curs_addch.3x.html">addch(3x)</A></STRONG>, <STRONG>addch_wch</STRONG> accepts symbols which make it simple to draw + lines and other frequently used special characters. These symbols cor- + respond to the same VT100 line-drawing set as <STRONG><A HREF="curs_addch.3x.html">addch(3x)</A></STRONG>. + + <STRONG>ACS</STRONG> <STRONG>Unicode</STRONG> <STRONG>ASCII</STRONG> <STRONG>acsc</STRONG> <STRONG>Glyph</STRONG> + <STRONG>Name</STRONG> <STRONG>Default</STRONG> <STRONG>Default</STRONG> <STRONG>char</STRONG> <STRONG>Name</STRONG> + ------------------------------------------------------------------------ + 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 + + The wide-character configuration of ncurses also defines symbols for + thick lines (<STRONG>acsc</STRONG> "J" to "V"): + + <STRONG>ACS</STRONG> <STRONG>Unicode</STRONG> <STRONG>ASCII</STRONG> <STRONG>acsc</STRONG> <STRONG>Glyph</STRONG> + <STRONG>Name</STRONG> <STRONG>Default</STRONG> <STRONG>Default</STRONG> <STRONG>char</STRONG> <STRONG>Name</STRONG> + ----------------------------------------------------------------------- + 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 + + and for double-lines (<STRONG>acsc</STRONG> "A" to "I"): + + <STRONG>ACS</STRONG> <STRONG>Unicode</STRONG> <STRONG>ASCII</STRONG> <STRONG>acsc</STRONG> <STRONG>Glyph</STRONG> + <STRONG>Name</STRONG> <STRONG>Default</STRONG> <STRONG>Default</STRONG> <STRONG>char</STRONG> <STRONG>Name</STRONG> + ------------------------------------------------------------------------ + 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 + + Unicode's descriptions for these characters differs slightly from + ncurses, by introducing the term "light" (along with less important + details). Here are its descriptions for the normal, thick, and double + horizontal lines: + + <STRONG>o</STRONG> U+2500 BOX DRAWINGS LIGHT HORIZONTAL + + <STRONG>o</STRONG> U+2501 BOX DRAWINGS HEAVY HORIZONTAL + + <STRONG>o</STRONG> U+2550 BOX DRAWINGS DOUBLE HORIZONTAL + + +</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE> + All routines return the integer <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> on success. + + Functions with a "mv" prefix first perform a cursor movement using + <STRONG>wmove</STRONG>, and return an error if the position is outside the window, or if + the window pointer is null. + + +</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE> + Note that <STRONG>add_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, and <STRONG>echo_wchar</STRONG> may be macros. + + +</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE> + All of these functions are described in the XSI Curses standard, Issue + 4. The defaults specified for line-drawing characters apply in the + POSIX locale. + + X/Open Curses makes it clear that the WACS_ symbols should be defined + as a pointer to <STRONG>cchar_t</STRONG> data, e.g., in the discussion of <STRONG>border_set</STRONG>. A + few implementations are problematic: + + <STRONG>o</STRONG> NetBSD curses defines the symbols as a <STRONG>wchar_t</STRONG> within a <STRONG>cchar_t</STRONG>. + + <STRONG>o</STRONG> HPUX curses equates some of the <EM>ACS</EM><STRONG>_</STRONG> symbols to the analogous <EM>WACS</EM><STRONG>_</STRONG> + symbols as if the <EM>ACS</EM><STRONG>_</STRONG> symbols were wide characters. The misde- + fined symbols are the arrows and other symbols which are not used + for line-drawing. + + X/Open Curses does not define symbols for thick- or double-lines. SVr4 + curses implementations defined their line-drawing symbols in terms of + intermediate symbols. This implementation extends those symbols, pro- + viding new definitions which are not in the SVr4 implementations. + + Not all Unicode-capable terminals provide support for VT100-style + alternate character sets (i.e., the <STRONG>acsc</STRONG> capability), with their corre- + sponding 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) use only the <STRONG>acsc</STRONG> + character-mapping to provide this feature. As a result, those imple- + mentations can only use single-byte line-drawing characters. Ncurses + 5.3 (2002) provided a table of Unicode values to solve these problems. + NetBSD curses incorporated that table in 2010. + + In this implementation, the Unicode values are used instead of the ter- + minal description's <STRONG>acsc</STRONG> mapping as discussed in <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> for the + environment variable <STRONG>NCURSES_NO_UTF8_ACS</STRONG>. In contrast, for the same + cases, the line-drawing characters described in <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG> will use + only the ASCII default values. + + Having Unicode available does not solve all of the problems with line- + drawing for curses: + <STRONG>o</STRONG> The closest Unicode equivalents to the VT100 graphics <EM>S1</EM>, <EM>S3</EM>, <EM>S7</EM> + and <EM>S9</EM> frequently are not displayed at the regular intervals which + the terminal used. -</PRE> -<H2>RETURN VALUE</H2><PRE> - All routines return the integer <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> on - success. + <STRONG>o</STRONG> The <EM>lantern</EM> is a special case. It originated with the AT&T 4410 + terminal in the early 1980s. There is no accessible documentation + depicting the lantern symbol on the AT&T terminal. - Functions with a "mv" prefix first perform a cursor move- - ment using <STRONG>wmove</STRONG>, and return an error if the position is - outside the window, or if the window pointer is null. + Lacking documentation, most readers assume that a <EM>storm</EM> <EM>lantern</EM> was + intended. But there are several possibilities, all with problems. + Unicode 6.0 (2010) does provide two lantern symbols: U+1F383 and + U+1F3EE. Those were not available in 2002, and are irrelevant + since they lie outside the BMP and as a result are not generally + available in terminals. They are not storm lanterns, in any case. -</PRE> -<H2>NOTES</H2><PRE> - Note that <STRONG>add_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, and <STRONG>echo_wchar</STRONG> - may be macros. + Most <EM>storm</EM> <EM>lanterns</EM> have a tapering glass chimney (to guard against + tipping); some have a wire grid protecting the chimney. + For the tapering appearance, U+2603 was adequate. In use on a + terminal, no one can tell what the image represents. Unicode calls + it a snowman. -</PRE> -<H2>PORTABILITY</H2><PRE> - All of these functions are described in the XSI Curses - standard, Issue 4. The defaults specified for line-draw- - ing characters apply in the POSIX locale. - - X/Open Curses makes it clear that the WACS_ symbols should - be defined as a pointer to <STRONG>cchar_t</STRONG> data, e.g., in the dis- - cussion of <STRONG>border_set</STRONG>. A few implementations are problem- - atic: - - <STRONG>o</STRONG> NetBSD curses defines the symbols as a <STRONG>wchar_t</STRONG> within - a <STRONG>cchar_t</STRONG>. + Others have suggested these alternatives: S U+00A7 (section mark), + <STRONG>O</STRONG> U+0398 (theta), <STRONG>O</STRONG> U+03A6 (phi), d U+03B4 (delta), U+2327 (x in a + rectangle), U+256C (forms double vertical and horizontal), and + U+2612 (ballot box with x). - <STRONG>o</STRONG> HPUX curses equates some of the <EM>ACS</EM><STRONG>_</STRONG> symbols to the - analogous <EM>WACS</EM><STRONG>_</STRONG> symbols as if the <EM>ACS</EM><STRONG>_</STRONG> symbols were - wide characters. The misdefined symbols are the - arrows and other symbols which are not used for line- - drawing. - X/Open Curses does not define symbols for thick- or dou- - ble-lines. SVr4 curses implementations defined their - line-drawing symbols in terms of intermediate symbols. - This implementation extends those symbols, providing new - definitions which are not in the SVr4 implementations. - - -</PRE> -<H2>SEE ALSO</H2><PRE> - <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>, <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>, <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>, - <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG>putwc(3)</STRONG> +</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE> + <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>, <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>, <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>, <STRONG>curs_out-</STRONG> + <STRONG><A HREF="curs_outopts.3x.html">opts(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG>putwc(3)</STRONG> - <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> + <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> </PRE> -<HR> -<ADDRESS> -Man(1) output converted with -<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a> -</ADDRESS> +<div class="nav"> +<ul> +<li><a href="#h2-NAME">NAME</a></li> +<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li> +<li><a href="#h2-DESCRIPTION">DESCRIPTION</a> +<ul> +<li><a href="#h3-add_wch">add_wch</a></li> +<li><a href="#h3-echo_wchar">echo_wchar</a></li> +<li><a href="#h3-Line-Graphics">Line Graphics</a></li> +</ul> +</li> +<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li> +<li><a href="#h2-NOTES">NOTES</a></li> +<li><a href="#h2-PORTABILITY">PORTABILITY</a></li> +<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li> +</ul> +</div> </BODY> </HTML> |