TOWLOWERSection: Linux Programmer's Manual (3)
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NAMEtowlower - convert a wide character to lowercase
#include <wctype.h> wint_t towlower(wint_t wc);
DESCRIPTIONThe towlower() function is the wide-character equivalent of the tolower(3) 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.
RETURN VALUEThe towlower() function returns the lowercase equivalent of wc, or WEOF if wc is WEOF.
NOTESThe behavior of towlower() depends on the LC_CTYPE category of the current locale.
SEE ALSOiswlower(3), towctrans(3), towupper(3)
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.