xref: /original-bsd/lib/libc/locale/isprint.3 (revision 2cb1372a)
1.\" Copyright (c) 1991, 1993
2.\"	The Regents of the University of California.  All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" %sccs.include.redist.man%
9.\"
10.\"     @(#)isprint.3	8.1 (Berkeley) 06/04/93
11.\"
12.Dd
13.Dt ISPRINT 3
14.Os
15.Sh NAME
16.Nm isprint
17.Nd printing character test (space character inclusive)
18.Sh SYNOPSIS
19.Fd #include <ctype.h>
20.Ft int
21.Fn isprint "int c";
22.Sh DESCRIPTION
23The
24.Fn isprint
25function tests for any printing character including space (' ').
26In the ASCII character set, this includes the following characters:
27.sp
28.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__
29.It \&040\ sp \t041\ ``!'' \t042\ ``"'' \t043\ ``#'' \t044\ ``$''
30.It \&045\ ``%'' \t046\ ``&'' \t047\ ``''' \t050\ ``('' \t051\ ``)''
31.It \&052\ ``*'' \t053\ ``+'' \t054\ ``,'' \t055\ ``-'' \t056\ ``.''
32.It \&057\ ``/'' \t060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3''
33.It \&064\ ``4'' \t065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8''
34.It \&071\ ``9'' \t072\ ``:'' \t073\ ``;'' \t074\ ``<'' \t075\ ``=''
35.It \&076\ ``>'' \t077\ ``?'' \t100\ ``@'' \t101\ ``A'' \t102\ ``B''
36.It \&103\ ``C'' \t104\ ``D'' \t105\ ``E'' \t106\ ``F'' \t107\ ``G''
37.It \&110\ ``H'' \t111\ ``I'' \t112\ ``J'' \t113\ ``K'' \t114\ ``L''
38.It \&115\ ``M'' \t116\ ``N'' \t117\ ``O'' \t120\ ``P'' \t121\ ``Q''
39.It \&122\ ``R'' \t123\ ``S'' \t124\ ``T'' \t125\ ``U'' \t126\ ``V''
40.It \&127\ ``W'' \t130\ ``X'' \t131\ ``Y'' \t132\ ``Z'' \t133\ ``[''
41.It \&134\ ``\'' \t135\ ``]'' \t136\ ``^'' \t137\ ``_'' \t140\ ```''
42.It \&141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d'' \t145\ ``e''
43.It \&146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i'' \t152\ ``j''
44.It \&153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n'' \t157\ ``o''
45.It \&160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s'' \t164\ ``t''
46.It \&165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x'' \t171\ ``y''
47.It \&172\ ``z'' \t173\ ``{'' \t174\ ``|'' \t175\ ``}'' \t176\ ``~''
48.El
49.Sh RETURN VALUES
50The
51.Fn isprint
52function returns zero if the character tests false and
53returns non-zero if the character tests true.
54.Sh SEE ALSO
55.Xr ctype 3 ,
56.Xr ascii 7
57.Sh STANDARDS
58The
59.Fn isprint
60function conforms to
61.St -ansiC .
62