Both POSIX and glibc use 'restrict' in wcscpy(). Let's use it here too. .../glibc$ grep_glibc_prototype wcscpy wcsmbs/wchar.h:87: extern wchar_t *wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src) __THROW __nonnull ((1, 2)); .../glibc$ Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> --- man3/wcscpy.3 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/man3/wcscpy.3 b/man3/wcscpy.3 index 8fa4a4e8b..c96711fdf 100644 --- a/man3/wcscpy.3 +++ b/man3/wcscpy.3 @@ -20,7 +20,8 @@ wcscpy \- copy a wide-character string .nf .B #include <wchar.h> .PP -.BI "wchar_t *wcscpy(wchar_t *" dest ", const wchar_t *" src ); +.BI "wchar_t *wcscpy(wchar_t *restrict " dest \ +", const wchar_t *restrict " src ); .fi .SH DESCRIPTION The -- 2.30.1