NAME
towlower
- wide character case letter conversion utilities
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
wint_t
towlower(
wint_t wc
)
wint_t
towupper(
wint_t wc
)
DESCRIPTION
The
towlower(
)
function converts an upper-case wide character to the corresponding lower-case
letter.
The
towupper(
)
function converts an lower-case wide character to the corresponding upper-case
letter.
RETURN VALUES
If the argument is an upper/lower-case letter, the
tolower(
)
function returns the corresponding counterpart if there is
one; otherwise the argument is returned unchanged.
SEE ALSO
tolower(3),
toupper(3)
STANDARDS
The functions conform to
ISO/IEC 9899:1999 (``ISO C99'') .