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u.h

#ifndef _U_H_
#define _U_H_ 1
#if defined(__cplusplus)
extern "C" {
#endif

#define __BSD_VISIBLE 1 /* FreeBSD 5.x */
#if defined(__sun__)
#     define __EXTENSIONS__ 1 /* SunOS */
#     if defined(__SunOS5_6__) || defined(__SunOS5_7__) || defined(__SunOS5_8__)
            /* NOT USING #define __MAKECONTEXT_V2_SOURCE 1 / * SunOS */
#     else
#           define __MAKECONTEXT_V2_SOURCE 1
#     endif
#endif
#define _BSD_SOURCE 1
#define _NETBSD_SOURCE 1      /* NetBSD */
#define _SVID_SOURCE 1
#if !defined(__APPLE__) && !defined(__OpenBSD__)
#     define _XOPEN_SOURCE 1000
#     define _XOPEN_SOURCE_EXTENDED 1
#endif
#define _LARGEFILE64_SOURCE 1
#define _FILE_OFFSET_BITS 64

#include <inttypes.h>

#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <assert.h>
#include <setjmp.h>
#include <stddef.h>
#include <utf.h>
#include <fmt.h>
#include <math.h>
#include <ctype.h>      /* for tolower */

/*
 * OS-specific crap
 */
#define _NEEDUCHAR 1
#define _NEEDUSHORT 1
#define _NEEDUINT 1
#define _NEEDULONG 1

typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];

#if defined(__linux__)
#     include <sys/types.h>
#     if defined(__Linux26__)
#           include <pthread.h>
#           define PLAN9PORT_USING_PTHREADS 1
#     endif
#     if defined(__USE_MISC)
#           undef _NEEDUSHORT
#           undef _NEEDUINT
#           undef _NEEDULONG
#     endif
#elif defined(__sun__)
#     include <sys/types.h>
#     include <pthread.h>
#     define PLAN9PORT_USING_PTHREADS 1
#     undef _NEEDUSHORT
#     undef _NEEDUINT
#     undef _NEEDULONG
#     define nil 0      /* no cast to void* */
#elif defined(__FreeBSD__)
#     include <sys/types.h>
#     include <osreldate.h>
#     if __FreeBSD_version >= 500000
#           define PLAN9PORT_USING_PTHREADS 1
#           include <pthread.h>
#     endif
#     if !defined(_POSIX_SOURCE)
#           undef _NEEDUSHORT
#           undef _NEEDUINT
#     endif
#elif defined(__APPLE__)
#     include <sys/types.h>
#     include <pthread.h>
#     define PLAN9PORT_USING_PTHREADS 1
#     if __GNUC__ < 4
#           undef _NEEDUSHORT
#           undef _NEEDUINT
#     endif
#     undef _ANSI_SOURCE
#     undef _POSIX_C_SOURCE
#     undef _XOPEN_SOURCE
#     if !defined(NSIG)
#           define NSIG 32
#     endif
#     define _NEEDLL 1
#elif defined(__NetBSD__)
#     include <sched.h>
#     include <sys/types.h>
#     undef _NEEDUSHORT
#     undef _NEEDUINT
#     undef _NEEDULONG
#elif defined(__OpenBSD__)
#     include <sys/types.h>
#     undef _NEEDUSHORT
#     undef _NEEDUINT
#     undef _NEEDULONG
#else
      /* No idea what system this is -- try some defaults */
#     include <pthread.h>
#     define PLAN9PORT_USING_PTHREADS 1
#endif

#ifndef O_DIRECT
#define O_DIRECT 0
#endif

typedef signed char schar;

#ifdef _NEEDUCHAR
      typedef unsigned char uchar;
#endif
#ifdef _NEEDUSHORT
      typedef unsigned short ushort;
#endif
#ifdef _NEEDUINT
      typedef unsigned int uint;
#endif
#ifdef _NEEDULONG
      typedef unsigned long ulong;
#endif
typedef unsigned long long uvlong;
typedef long long vlong;

typedef uint64_t u64int;
typedef int64_t s64int;
typedef uint8_t u8int;
typedef int8_t s8int;
typedef uint16_t u16int;
typedef int16_t s16int;
typedef uintptr_t uintptr;
typedef uint32_t u32int;
typedef int32_t s32int;

#undef _NEEDUCHAR
#undef _NEEDUSHORT
#undef _NEEDUINT
#undef _NEEDULONG

/*
 * Funny-named symbols to tip off 9l to autolink.
 */
#define AUTOLIB(x)      static int __p9l_autolib_ ## x = 1;

/*
 * Gcc is too smart for its own good.
 */
#if defined(__GNUC__)
#     if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
#           undef AUTOLIB
#           define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
#     else
#           undef AUTOLIB
#           define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
#     endif
#endif

#if defined(__cplusplus)
}
#endif
#endif

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