towupper man page on OpenBSD

towupper man page on OpenBSD

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TOWLOWER(3)		  OpenBSD Programmer's Manual		   TOWLOWER(3)

NAME
     towlower - wide-character case letter conversion utilities

SYNOPSIS
     #include <wctype.h>

     wint_t
     towlower(wint_t wc);

     wint_t
     towupper(wint_t wc);

DESCRIPTION
     The towlower() function converts an upper-case wide character to the
     corresponding lower-case letter.  The towupper() function converts an
     lower-case wide character to the corresponding upper-case letter.

RETURN VALUES
     If the argument is an upper/lower-case letter, the tolower() function
     returns the corresponding counterpart if there is one; otherwise the
     argument is returned unchanged.

SEE ALSO
     tolower(3), toupper(3)

STANDARDS
     The functions conform to ISO/IEC 9899/AMD1:1995 (``ISO C90'') and ISO/IEC
     9899:1999 (``ISO C99'').

OpenBSD 4.9		      September 10, 2010		   OpenBSD 4.9

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