2 files changed, 23 insertions, 6 deletions
diff --git a/tools/include/nolibc/ctype.h b/tools/include/nolibc/ctype.h
new file mode 100644
index 000000000000..6735bd906f25
--- /dev/null
+++ b/tools/include/nolibc/ctype.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * ctype function definitions for NOLIBC
+ * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
+ */
+
+#ifndef _NOLIBC_CTYPE_H
+#define _NOLIBC_CTYPE_H
+
+#include "std.h"
+
+/*
+ * As much as possible, please keep functions alphabetically sorted.
+ */
+
+static __attribute__((unused))
+int isdigit(int c)
+{
+	return (unsigned int)(c - '0') <= 9;
+}
+
+#endif /* _NOLIBC_CTYPE_H */
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index b06bd5cb5651..c96c6cb7f3ae 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -87,6 +87,7 @@
 #include "arch.h"
 #include "types.h"
 #include "sys.h"
+#include "ctype.h"
 #include "stdlib.h"
 #include "string.h"
 
@@ -94,12 +95,6 @@
 #define NOLIBC
 
 static __attribute__((unused))
-int isdigit(int c)
-{
-	return (unsigned int)(c - '0') <= 9;
-}
-
-static __attribute__((unused))
 const char *ltoa(long in)
 {
 	/* large enough for -9223372036854775808 */