strtok.3: SYNOPSIS: Document _Nullable parameters

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/man/man3/strtok.3 b/man/man3/strtok.3
index 48eb12e8381f467b7757a7457884fb5bf2d4f480..1fc201fae471b9338ca5298526f5d29eb720bf23 100644 (file)
--- a/man/man3/strtok.3
+++ b/man/man3/strtok.3
@@ -20,8 +20,10 @@ Standard C library
 .nf
 .B #include <string.h>
 .P
-.BI "char *strtok(char *restrict " str ", const char *restrict " delim );
-.BI "char *strtok_r(char *restrict " str ", const char *restrict " delim ,
+.BI "char *strtok(char *_Nullable restrict " str \
+", const char *restrict " delim );
+.BI "char *strtok_r(char *_Nullable restrict " str \
+", const char *restrict " delim ,
 .BI "               char **restrict " saveptr );
 .fi
 .P