/usr/include/diet/sys/cdefs.h is in dietlibc-dev 0.33~cvs20120325-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #ifndef _SYS_CDEFS_H
#define _SYS_CDEFS_H
#ifndef __cplusplus
#define __THROW
#define __BEGIN_DECLS
#define __END_DECLS
#else
#define __THROW throw ()
#define __BEGIN_DECLS extern "C" {
#define __END_DECLS }
#endif
#ifndef __GNUC__
#define __attribute__(xyz)
#define __extension__
#endif
#if (__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ >= 96))
#define __pure __attribute__ ((__pure__))
#else
#define __pure
#endif
#if (__GNUC__ == 2) && (__GNUC_MINOR__ < 95)
#define __restrict__
#endif
#ifndef __STRICT_ANSI__
#define restrict __restrict__
#if __GNUC__ < 3
#define __builtin_expect(foo,bar) (foo)
#define __expect(foo,bar) (foo)
#define __malloc__
#else
#define __expect(foo,bar) __builtin_expect((long)(foo),bar)
#define __attribute_malloc__ __attribute__((__malloc__))
#endif
#endif
/* idea for these macros taken from Linux kernel */
#define __likely(foo) __expect((foo),1)
#define __unlikely(foo) __expect((foo),0)
#ifndef __attribute_malloc__
#define __attribute_malloc__
#endif
#define __P(x) x
#define __ptr_t void*
#if defined(__STRICT_ANSI__) && __STDC_VERSION__ + 0 < 199900L
#define inline
#endif
#ifndef __i386__
#define __regparm__(x)
#endif
#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 2))
#define __attribute_dontuse__ __attribute__((__deprecated__))
#else
#define __attribute_dontuse__
#define __deprecated__
#endif
#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3))
# define __nonnull(params) __attribute__ ((__nonnull__ params))
#else
# define __nonnull(params)
#endif
#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4))
# define __attribute_used __attribute__ ((__used__))
#else
# define __attribute_used
# define __warn_unused_result__
#endif
#if (__GNUC__ >= 4)
#define __needsNULL__(x) __sentinel__(x)
#else
#define __needsNULL__(x)
#define __sentinel__
#endif
#if (__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 3))
# define __cold__
# define __hot__
#endif
#if (__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 3))
#define __attribute_alloc__(x)
#define __attribute_alloc2__(x,y)
#else
#define __attribute_alloc__(x) __attribute__((alloc_size(x))
#define __attribute_alloc2__(x,y) __attribute__((alloc_size(x,y))
#endif
#if (__GNUC__ < 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ < 5))
#define __attribute_const__
#else
#define __attribute_const__ __attribute__((const))
#endif
#if (__GNUC__ < 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ < 8))
#define __attribute_formatarg__(x)
#else
#define __attribute_formatarg__(x) __attribute__((format_arg(x)))
#endif
#endif
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