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towlower - convert a wide character to lowercase
#include <wctype.h>
wint_t towlower (wint_t wc);
The towlower function is the wide-character
equivalent of the tolower function. If wc is a wide character, it is converted
to lowercase. Characters which do not have case are returned unchanged. If
wc is WEOF, WEOF is returned.
The towlower function returns
the lowercase equivalent of wc, or WEOF if wc is WEOF.
ISO/ANSI
C, UNIX98
towupper(3)
, towctrans(3)
, iswlower(3)
The behaviour
of towlower depends on the LC_CTYPE category of the current locale.
This
function is not very appropriate for dealing with Unicode characters, because
Unicode knows about three cases: upper, lower and title case.
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