Both POSIX and glibc use 'restrict' in stpncpy(). Let's use it here too. .../glibc$ grep_glibc_prototype stpncpy string/string.h:483: extern char *stpncpy (char *__restrict __dest, const char *__restrict __src, size_t __n) __THROW __nonnull ((1, 2)); .../glibc$ Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> --- man3/stpncpy.3 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/man3/stpncpy.3 b/man3/stpncpy.3 index 3adc5f426..493d42378 100644 --- a/man3/stpncpy.3 +++ b/man3/stpncpy.3 @@ -18,7 +18,8 @@ stpncpy \- copy a fixed-size string, returning a pointer to its end .nf .B #include <string.h> .PP -.BI "char *stpncpy(char *" dest ", const char *" src ", size_t " n ); +.BI "char *stpncpy(char *restrict " dest ", const char *restrict " src \ +", size_t " n ); .fi .PP .RS -4 -- 2.30.1.721.g45526154a5