locale/FreeBSD/isprint.3

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  36 .\"     @(#)isprint.3   8.1 (Berkeley) 6/4/93
  37 .\" $FreeBSD: src/lib/libc/locale/isprint.3,v 1.18 2002/10/06 10:15:38 tjr Exp $
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  39 .Dd October 6, 2002
  40 .Dt ISPRINT 3
  41 .Os
  42 .Sh NAME
  43 .Nm isprint
  44 .Nd printing character test (space character inclusive)
  45 .Sh LIBRARY
  46 .Lb libc
  47 .Sh SYNOPSIS
  48 .In ctype.h
  49 .Ft int
  50 .Fn isprint "int c"
  51 .Sh DESCRIPTION
  52 The
  53 .Fn isprint
  54 function tests for any printing character including space
  55 .Pq Ql "\ " .
  56 For single C
  57 .Va char Ns s
  58 locales (see
  59 .Xr multibyte 3 )
  60 the value of the argument is
  61 representable as an
  62 .Li unsigned char
  63 or the value of
  64 .Dv EOF .
  65 In the ASCII character set, this includes the following characters
  66 (with their numeric values shown in octal):
  67 .Pp
  68 .Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__
  69 .It "\&040\ sp \t041\ ``!'' \t042\ ``""'' \t043\ ``#'' \t044\ ``$''"
  70 .It "\&045\ ``%'' \t046\ ``&'' \t047\ ``''' \t050\ ``('' \t051\ ``)''"
  71 .It "\&052\ ``*'' \t053\ ``+'' \t054\ ``,'' \t055\ ``-'' \t056\ ``.''"
  72 .It "\&057\ ``/'' \t060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3''"
  73 .It "\&064\ ``4'' \t065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8''"
  74 .It "\&071\ ``9'' \t072\ ``:'' \t073\ ``;'' \t074\ ``<'' \t075\ ``=''"
  75 .It "\&076\ ``>'' \t077\ ``?'' \t100\ ``@'' \t101\ ``A'' \t102\ ``B''"
  76 .It "\&103\ ``C'' \t104\ ``D'' \t105\ ``E'' \t106\ ``F'' \t107\ ``G''"
  77 .It "\&110\ ``H'' \t111\ ``I'' \t112\ ``J'' \t113\ ``K'' \t114\ ``L''"
  78 .It "\&115\ ``M'' \t116\ ``N'' \t117\ ``O'' \t120\ ``P'' \t121\ ``Q''"
  79 .It "\&122\ ``R'' \t123\ ``S'' \t124\ ``T'' \t125\ ``U'' \t126\ ``V''"
  80 .It "\&127\ ``W'' \t130\ ``X'' \t131\ ``Y'' \t132\ ``Z'' \t133\ ``[''"
  81 .It "\&134\ ``\e\|'' \t135\ ``]'' \t136\ ``^'' \t137\ ``_'' \t140\ ```''"
  82 .It "\&141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d'' \t145\ ``e''"
  83 .It "\&146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i'' \t152\ ``j''"
  84 .It "\&153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n'' \t157\ ``o''"
  85 .It "\&160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s'' \t164\ ``t''"
  86 .It "\&165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x'' \t171\ ``y''"
  87 .It "\&172\ ``z'' \t173\ ``{'' \t174\ ``|'' \t175\ ``}'' \t176\ ``~''"
  88 .El
  89 .Sh RETURN VALUES
  90 The
  91 .Fn isprint
  92 function returns zero if the character tests false and
  93 returns non-zero if the character tests true.
  94 .Sh COMPATIBILITY
  95 Although
  96 .Fn isprint
  97 accepts arguments outside of the range of the
  98 .Vt "unsigned char"
  99 type in locales with large character sets,
 100 this is a
 101 .Bx 4.4
 102 extension and the
 103 .Fn iswprint
 104 function should be used instead for maximum portability.
 105 .Sh SEE ALSO
 106 .Xr ctype 3 ,
 107 .Xr iswprint 3 ,
 108 .Xr multibyte 3 ,
 109 .Xr ascii 7
 110 .Sh STANDARDS
 111 The
 112 .Fn isprint
 113 function conforms to
 114 .St -isoC .