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    The following form allows you to view linux man pages.

    Command:

    towlower

    
    
    

    SYNOPSIS

           #include <wctype.h>
    
           wint_t towlower(wint_t wc);
    
           wint_t towlower_l(wint_t wc, locale_t locale);
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           towlower_l():
               Since glibc 2.10:
                      _XOPEN_SOURCE >= 700
               Before glibc 2.10:
                      _GNU_SOURCE
    
    
    

    DESCRIPTION

           The  towlower()  function  is  the  wide-character  equivalent  of  the
           tolower(3) function.  If wc is an uppercase wide character,  and  there
           exists  a  lowercase  equivalent  in the current locale, it returns the
           lowercase equivalent of  wc.   In  all  other  cases,  wc  is  returned
           unchanged.
    
           The towupper_l() function performs the same task, but performs the con-
           version based on the character type information in the locale specified
           by  locale.  The behavior of towupper_l() is undefined if locale is the
           special locale object LC_GLOBAL_LOCALE (see duplocale(3)) or is  not  a
           valid locale object handle.
    
           The argument wc must be representable as a wchar_t and be a valid char-
           acter in the locale or be the value WEOF.
    
    
    

    RETURN VALUE

           If wc was convertible to lowercase, towlower()  returns  its  lowercase
           equivalent; otherwise it returns wc.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The  towlower()  function  is  thread-safe  with exceptions.  It can be
           safely used in multithreaded applications, as long as  setlocale(3)  is
           not called to change the locale during its execution.
    
    
    

    VERSIONS

           The towlower_l() function first appeared in glibc 2.3.
    
    
    

    CONFORMING TO

           towlower():  C99,  POSIX.1-2001  (XSI);  present as an XSI extension in
           POSIX.1-2008, but marked obsolete.
    
           towlower_l(): POSIX.1-2008.
    
    
    

    NOTES

           The behavior of these functions depends on the LC_CTYPE category of the
    
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