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Standard C Library Functions_toupper(3C)


NAME

 _toupper - transliterate lower-case characters to upper-case

SYNOPSIS

 
#include <ctype.h> 
int _toupper(int c);

DESCRIPTION

 

The _toupper() macro is equivalent to toupper(3C) except that the argument c must be a lower-case letter.

RETURN VALUES

 

On successful completion, _toupper() returns the upper-case letter corresponding to the argument passed.

ERRORS

 

No errors are defined.

ATTRIBUTES

 

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
MT-LevelMT-Safe
CSIEnabled

SEE ALSO

 

islower(3C), toupper(3C), attributes(5)


SunOS 5.9Go To TopLast Changed 20 Dec 1996

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.