--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * minimal stdio function definitions for NOLIBC
+ * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
+ */
+
+#ifndef _NOLIBC_STDIO_H
+#define _NOLIBC_STDIO_H
+
+#include "std.h"
+#include "arch.h"
+#include "types.h"
+#include "sys.h"
+#include "stdlib.h"
+#include "string.h"
+
+#ifndef EOF
+#define EOF (-1)
+#endif
+
+static __attribute__((unused))
+int getchar(void)
+{
+ unsigned char ch;
+
+ if (read(0, &ch, 1) <= 0)
+ return EOF;
+ return ch;
+}
+
+static __attribute__((unused))
+int putchar(int c)
+{
+ unsigned char ch = c;
+
+ if (write(1, &ch, 1) <= 0)
+ return EOF;
+ return ch;
+}
+
+static __attribute__((unused))
+int puts(const char *s)
+{
+ size_t len = strlen(s);
+ ssize_t ret;
+
+ while (len > 0) {
+ ret = write(1, s, len);
+ if (ret <= 0)
+ return EOF;
+ s += ret;
+ len -= ret;
+ }
+ return putchar('\n');
+}
+
+#endif /* _NOLIBC_STDIO_H */