1// Copyright 2016 The Fuchsia Authors
2// Copyright (c) 2008-2015 Travis Geiselbrecht
3//
4// Use of this source code is governed by a MIT-style
5// license that can be found in the LICENSE file or at
6// https://opensource.org/licenses/MIT
7
8#pragma once
9
10#include <zircon/compiler.h>
11#include <printf.h>
12#include <sys/types.h>
13#include <lib/io.h>
14
15__BEGIN_CDECLS
16
17int putchar(int c);
18
19int puts(const char *str);
20
21int getchar(void);
22
23#if !DISABLE_DEBUG_OUTPUT
24#define printf(x...) _printf(x)
25#define vprintf(x...) _vprintf(x)
26#else
27static inline int __PRINTFLIKE(1, 2) printf(const char *fmt, ...) { return 0; }
28static inline int vprintf(const char *fmt, va_list ap) { return 0; }
29#endif
30
31int _printf(const char *fmt, ...) __PRINTFLIKE(1, 2);
32int _vprintf(const char *fmt, va_list ap);
33
34int snprintf(char *str, size_t len, const char *fmt, ...) __PRINTFLIKE(3, 4);
35int vsnprintf(char *str, size_t len, const char *fmt, va_list ap);
36
37
38__END_CDECLS
39