isupper man page on 4.4BSD

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ISUPPER(3)		 BSD Library Functions Manual		    ISUPPER(3)

NAME
     isupper — upper-case character test

SYNOPSIS
     #include <ctype.h>

     int
     isupper(int c);;

DESCRIPTION
     The isupper() function tests for any upper-case letter.  In the ASCII
     character set, this includes the following characters:

     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''

RETURN VALUES
     The isupper() function returns zero if the character tests false and
     returns non-zero if the character tests true.

SEE ALSO
     ctype(3), ascii(7)

STANDARDS
     The isupper function conforms to ANSI X3.159-1989 (“ANSI C89”).

BSD				 June 4, 1993				   BSD
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