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Man Pages


Manual Reference Pages  -  ISPRINT (3)

NAME

isprint - printing character test (space character inclusive)

CONTENTS

Library
Synopsis
Description
Return Values
Compatibility
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In ctype.h int isprint int c

DESCRIPTION

The isprint function tests for any printing character, including space (‘ ’). The value of the argument must be representable as an
.Vt unsigned char or the value of EOF.

In the ASCII character set, this includes the following characters (with their numeric values shown in octal):
040 sp      041 ‘‘!’’      042 ‘‘ ’’      043 ‘‘#’’      044 ‘‘$’’
045 ‘‘%’’      046 ‘‘&’’      047 ‘‘’’’      050 ‘‘(’’      051 ‘‘)’’
052 ‘‘*’’      053 ‘‘+’’      054 ‘‘,’’      055 ‘‘-’’      056 ‘‘.’’
057 ‘‘/’’      060 ‘‘0’’      061 ‘‘1’’      062 ‘‘2’’      063 ‘‘3’’
064 ‘‘4’’      065 ‘‘5’’      066 ‘‘6’’      067 ‘‘7’’      070 ‘‘8’’
071 ‘‘9’’      072 ‘‘:’’      073 ‘‘;’’      074 ‘‘<’’      075 ‘‘=’’
076 ‘‘>’’      077 ‘‘?’’      100 ‘‘@’’      101 ‘‘A’’      102 ‘‘B’’
103 ‘‘C’’      104 ‘‘D’’      105 ‘‘E’’      106 ‘‘F’’      107 ‘‘G’’
110 ‘‘H’’      111 ‘‘I’’      112 ‘‘J’’      113 ‘‘K’’      114 ‘‘L’’
115 ‘‘M’’      116 ‘‘N’’      117 ‘‘O’’      120 ‘‘P’’      121 ‘‘Q’’
122 ‘‘R’’      123 ‘‘S’’      124 ‘‘T’’      125 ‘‘U’’      126 ‘‘V’’
127 ‘‘W’’      130 ‘‘X’’      131 ‘‘Y’’      132 ‘‘Z’’      133 ‘‘[’’
134 ‘‘\’’      135 ‘‘]’’      136 ‘‘^’’      137 ‘‘_’’      140 ‘‘‘’’
141 ‘‘a’’      142 ‘‘b’’      143 ‘‘c’’      144 ‘‘d’’      145 ‘‘e’’
146 ‘‘f’’      147 ‘‘g’’      150 ‘‘h’’      151 ‘‘i’’      152 ‘‘j’’
153 ‘‘k’’      154 ‘‘l’’      155 ‘‘m’’      156 ‘‘n’’      157 ‘‘o’’
160 ‘‘p’’      161 ‘‘q’’      162 ‘‘r’’      163 ‘‘s’’      164 ‘‘t’’
165 ‘‘u’’      166 ‘‘v’’      167 ‘‘w’’      170 ‘‘x’’      171 ‘‘y’’
172 ‘‘z’’      173 ‘‘{’’      174 ‘‘|’’      175 ‘‘}’’      176 ‘‘~’’
 

RETURN VALUES

The isprint function returns zero if the character tests false and returns non-zero if the character tests true.

COMPATIBILITY

The BSD 4.4 extension of accepting arguments outside of the range of the
.Vt unsigned char type in locales with large character sets is considered obsolete and may not be supported in future releases. The iswprint function should be used instead.

SEE ALSO

ctype(3), iswprint(3), ascii(7)

STANDARDS

The isprint function conforms to -isoC.
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