Manual Pages  — TOWLOWER

towlower – upper case to lower case letter conversion (wide character version)

LIBRARY SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO STANDARDS

Standard C Library (libc, -lc)

#include <wctype.h>

wint_t
towlower(wint_t wc);

The towlower() function converts an upper-case letter to the corresponding lower-case letter.

If the argument is an upper-case letter, the towlower() function returns the corresponding lower-case letter if there is one; otherwise the argument is returned unchanged.

The towlower() function conforms to ISO/IEC 9899:1999 ("ISO C99").