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towlower(3)
NAME
  towlower, towupper - Convert uppercase and lowercase wide characters

SYNOPSIS
  #include <wctype.h>

  wint_t towlower(
	  wint_t wc );

  wint_t towupper(
	  wint_t wc );

LIBRARY
  Standard C Library (libc)

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  towlower(), towupper(): XSH5.0

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

PARAMETERS
  wc  Specifies the wide character to convert.

DESCRIPTION
  The towlower() function converts the uppercase wide character specified by
  the wc parameter into the corresponding lowercase wide character.  The
  towupper() function converts the lowercase wide character specified by the
  wc parameter into the corresponding uppercase wide character. The behavior
  of the towlower() and towupper() functions are affected by the LC_CTYPE
  category of the program's locale.

  [Tru64 UNIX]	In a locale where case conversion information is not defined,
  these functions determine the case of characters according to the rules of
  the C locale.

RETURN VALUES
  In the towlower() function, if the wc parameter contains an uppercase wide
  character that has a corresponding lowercase wide character, that wide
  character is returned. Otherwise, the wc parameter is returned unchanged.

  In the towupper() function, if the wc parameter contains a lowercase wide
  character that has a corresponding uppercase wide character, that wide
  character is returned. Otherwise, the wc parameter is returned unchanged.

SEE ALSO
  Functions: conv(3), setlocale(3), towctrans(3), wctrans(3)

  Standards: standards(5)

Index for Section 3

Alphabetical listing for T

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