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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. |