#include <unistd.h>

#include "options.h"

#define T(t) (t*)0;

#define F(t,n) {t *y = &x.;;}

#define C(n) switch(n){case n:;}

#define A(n) {char p[n];}

static void f()

{

A(_POSIX_VERSION >= 200809L)

A(_POSIX2_VERSION >= 200809L)

#ifdef _XOPEN_SOURCE

A(_XOPEN_VERSION >= 700)

// A(_XOPEN_CRYPT >= 0)

 A(_XOPEN_ENH_I18N > 0)

// A(_XOPEN_REALTIME >= 0)

// A(_XOPEN_REALTIME_THREADS >= 0)

// A(_XOPEN_SHM >= 0)

 A(_XOPEN_UNIX >= 0)

#endif

A(_POSIX_ASYNCHRONOUS_IO >= 200809L)

A(_POSIX_BARRIERS >= 200809L)

A(_POSIX_CHOWN_RESTRICTED >= 0)

A(_POSIX_CLOCK_SELECTION >= 200809L)

A(_POSIX_JOB_CONTROL > 0)

A(_POSIX_MAPPED_FILES >= 200809L)

A(_POSIX_MEMORY_PROTECTION >= 200809L)

A(_POSIX_NO_TRUNC >= 0)

A(_POSIX_READER_WRITER_LOCKS >= 200809L)

A(_POSIX_REALTIME_SIGNALS >= 200809L)

A(_POSIX_REGEXP > 0)

A(_POSIX_SAVED_IDS > 0)

A(_POSIX_SEMAPHORES >= 200809L)

A(_POSIX_SHELL > 0)

A(_POSIX_SPIN_LOCKS >= 200809L)

A(_POSIX_THREAD_SAFE_FUNCTIONS >= 200809L)

A(_POSIX_THREADS >= 200809L)

A(_POSIX_TIMEOUTS >= 200809L)

A(_POSIX_TIMERS >= 200809L)

#if _POSIX_V7_ILP32_OFFBIG<=0 && _POSIX_V7_LP64_OFF64<=0 && _POSIX_V7_LPBIG_OFFBIG<=0

#error _POSIX_V7_ILP32_OFFBIG<=0 && _POSIX_V7_LP64_OFF64<=0 && _POSIX_V7_LPBIG_OFFBIG<=0

#endif

A(_POSIX2_C_BIND >= 200809L)

// not required by the standard

 A(_POSIX_ADVISORY_INFO >= 0)

 A(_POSIX_CPUTIME >= 0)

 A(_POSIX_FSYNC >= 0)

 A(_POSIX_IPV6 >= 0)

 A(_POSIX_MEMLOCK >= 0)

 A(_POSIX_MEMLOCK_RANGE >= 0)

 A(_POSIX_MESSAGE_PASSING >= 0)

 A(_POSIX_MONOTONIC_CLOCK >= 0)

// A(_POSIX_PRIORITIZED_IO >= 0)

// A(_POSIX_PRIORITY_SCHEDULING >= 0)

 A(_POSIX_RAW_SOCKETS >= 0)

// A(_POSIX_SHARED_MEMORY_OBJECTS >= 0)

 A(_POSIX_SPAWN >= 0)

// A(_POSIX_SPORADIC_SERVER >= 0)

// A(_POSIX_SYNCHRONIZED_IO >= 0)

 A(_POSIX_THREAD_ATTR_STACKADDR >= 0)

 A(_POSIX_THREAD_ATTR_STACKSIZE >= 0)

 A(_POSIX_THREAD_CPUTIME >= 0)

// A(_POSIX_THREAD_PRIO_INHERIT >= 0)

// A(_POSIX_THREAD_PRIO_PROTECT >= 0)

 A(_POSIX_THREAD_PRIORITY_SCHEDULING >= 0)

 A(_POSIX_THREAD_PROCESS_SHARED >= 0)

// A(_POSIX_THREAD_ROBUST_PRIO_INHERIT >= 0)

// A(_POSIX_THREAD_ROBUST_PRIO_PROTECT >= 0)

// A(_POSIX_THREAD_SPORADIC_SERVER >= 0)

// A(_POSIX_TYPED_MEMORY_OBJECTS >= 0)

C(F_OK)

C(R_OK)

C(W_OK)

C(X_OK)

C(_CS_PATH)

C(_CS_POSIX_V7_ILP32_OFF32_CFLAGS)

C(_CS_POSIX_V7_ILP32_OFF32_LDFLAGS)

C(_CS_POSIX_V7_ILP32_OFF32_LIBS)

C(_CS_POSIX_V7_ILP32_OFFBIG_CFLAGS)

C(_CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS)

C(_CS_POSIX_V7_ILP32_OFFBIG_LIBS)

C(_CS_POSIX_V7_LP64_OFF64_CFLAGS)

C(_CS_POSIX_V7_LP64_OFF64_LDFLAGS)

C(_CS_POSIX_V7_LP64_OFF64_LIBS)

C(_CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS)

C(_CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS)

C(_CS_POSIX_V7_LPBIG_OFFBIG_LIBS)

C(_CS_POSIX_V7_THREADS_CFLAGS)

C(_CS_POSIX_V7_THREADS_LDFLAGS)

C(_CS_POSIX_V7_WIDTH_RESTRICTED_ENVS)

C(_CS_V7_ENV)

C(SEEK_CUR)

C(SEEK_END)

C(SEEK_SET)

C(F_LOCK)

C(F_TEST)

C(F_TLOCK)

C(F_ULOCK)

C(_PC_2_SYMLINKS)

C(_PC_ALLOC_SIZE_MIN)

C(_PC_ASYNC_IO)

C(_PC_CHOWN_RESTRICTED)

C(_PC_FILESIZEBITS)

C(_PC_LINK_MAX)

C(_PC_MAX_CANON)

C(_PC_MAX_INPUT)

C(_PC_NAME_MAX)

C(_PC_NO_TRUNC)

C(_PC_PATH_MAX)

C(_PC_PIPE_BUF)

C(_PC_PRIO_IO)

C(_PC_REC_INCR_XFER_SIZE)

C(_PC_REC_MAX_XFER_SIZE)

C(_PC_REC_MIN_XFER_SIZE)

C(_PC_REC_XFER_ALIGN)

C(_PC_SYMLINK_MAX)

C(_PC_SYNC_IO)

C(_PC_TIMESTAMP_RESOLUTION)

C(_PC_VDISABLE)

C(_SC_2_C_BIND)

C(_SC_2_C_DEV)

C(_SC_2_CHAR_TERM)

C(_SC_2_FORT_DEV)

C(_SC_2_FORT_RUN)

C(_SC_2_LOCALEDEF)

C(_SC_2_PBS)

C(_SC_2_PBS_ACCOUNTING)

C(_SC_2_PBS_CHECKPOINT)

C(_SC_2_PBS_LOCATE)

C(_SC_2_PBS_MESSAGE)

C(_SC_2_PBS_TRACK)

C(_SC_2_SW_DEV)

C(_SC_2_UPE)

C(_SC_2_VERSION)

C(_SC_ADVISORY_INFO)

C(_SC_AIO_LISTIO_MAX)

C(_SC_AIO_MAX)

C(_SC_AIO_PRIO_DELTA_MAX)

C(_SC_ARG_MAX)

C(_SC_ASYNCHRONOUS_IO)

C(_SC_ATEXIT_MAX)

C(_SC_BARRIERS)

C(_SC_BC_BASE_MAX)

C(_SC_BC_DIM_MAX)

C(_SC_BC_SCALE_MAX)

C(_SC_BC_STRING_MAX)

C(_SC_CHILD_MAX)

C(_SC_CLK_TCK)

C(_SC_CLOCK_SELECTION)

C(_SC_COLL_WEIGHTS_MAX)

C(_SC_CPUTIME)

C(_SC_DELAYTIMER_MAX)

C(_SC_EXPR_NEST_MAX)

C(_SC_FSYNC)

C(_SC_GETGR_R_SIZE_MAX)

C(_SC_GETPW_R_SIZE_MAX)

C(_SC_HOST_NAME_MAX)

C(_SC_IOV_MAX)

C(_SC_IPV6)

C(_SC_JOB_CONTROL)

C(_SC_LINE_MAX)

C(_SC_LOGIN_NAME_MAX)

C(_SC_MAPPED_FILES)

C(_SC_MEMLOCK)

C(_SC_MEMLOCK_RANGE)

C(_SC_MEMORY_PROTECTION)

C(_SC_MESSAGE_PASSING)

C(_SC_MONOTONIC_CLOCK)

C(_SC_MQ_OPEN_MAX)

C(_SC_MQ_PRIO_MAX)

C(_SC_NGROUPS_MAX)

C(_SC_OPEN_MAX)

C(_SC_PAGE_SIZE)

C(_SC_PAGESIZE)

C(_SC_PRIORITIZED_IO)

C(_SC_PRIORITY_SCHEDULING)

C(_SC_RAW_SOCKETS)

C(_SC_RE_DUP_MAX)

C(_SC_READER_WRITER_LOCKS)

C(_SC_REALTIME_SIGNALS)

C(_SC_REGEXP)

C(_SC_RTSIG_MAX)

C(_SC_SAVED_IDS)

C(_SC_SEM_NSEMS_MAX)

C(_SC_SEM_VALUE_MAX)

C(_SC_SEMAPHORES)

C(_SC_SHARED_MEMORY_OBJECTS)

C(_SC_SHELL)

C(_SC_SIGQUEUE_MAX)

C(_SC_SPAWN)

C(_SC_SPIN_LOCKS)

C(_SC_SPORADIC_SERVER)

C(_SC_SS_REPL_MAX)

C(_SC_STREAM_MAX)

C(_SC_SYMLOOP_MAX)

C(_SC_SYNCHRONIZED_IO)

C(_SC_THREAD_ATTR_STACKADDR)

C(_SC_THREAD_ATTR_STACKSIZE)

C(_SC_THREAD_CPUTIME)

C(_SC_THREAD_DESTRUCTOR_ITERATIONS)

C(_SC_THREAD_KEYS_MAX)

C(_SC_THREAD_PRIO_INHERIT)

C(_SC_THREAD_PRIO_PROTECT)

C(_SC_THREAD_PRIORITY_SCHEDULING)

C(_SC_THREAD_PROCESS_SHARED)

C(_SC_THREAD_ROBUST_PRIO_INHERIT)

C(_SC_THREAD_ROBUST_PRIO_PROTECT)

C(_SC_THREAD_SAFE_FUNCTIONS)

C(_SC_THREAD_SPORADIC_SERVER)

C(_SC_THREAD_STACK_MIN)

C(_SC_THREAD_THREADS_MAX)

C(_SC_THREADS)

C(_SC_TIMEOUTS)

C(_SC_TIMER_MAX)

C(_SC_TIMERS)

C(_SC_TRACE)

C(_SC_TRACE_EVENT_FILTER)

C(_SC_TRACE_EVENT_NAME_MAX)

C(_SC_TRACE_INHERIT)

C(_SC_TRACE_LOG)

C(_SC_TRACE_NAME_MAX)

C(_SC_TRACE_SYS_MAX)

C(_SC_TRACE_USER_EVENT_MAX)

C(_SC_TTY_NAME_MAX)

C(_SC_TYPED_MEMORY_OBJECTS)

C(_SC_TZNAME_MAX)

C(_SC_V7_ILP32_OFF32)

C(_SC_V7_ILP32_OFFBIG)

C(_SC_V7_LP64_OFF64)

C(_SC_V7_LPBIG_OFFBIG)

C(_SC_VERSION)

C(_SC_XOPEN_CRYPT)

C(_SC_XOPEN_ENH_I18N)

C(_SC_XOPEN_REALTIME)

C(_SC_XOPEN_REALTIME_THREADS)

C(_SC_XOPEN_SHM)

C(_SC_XOPEN_STREAMS)

C(_SC_XOPEN_UNIX)

C(_SC_XOPEN_UUCP)

C(_SC_XOPEN_VERSION)

C(STDERR_FILENO)

C(STDIN_FILENO)

C(STDOUT_FILENO)

C(_POSIX_VDISABLE)

T(size_t)

T(ssize_t)

T(uid_t)

T(gid_t)

T(off_t)

T(pid_t)

T(intptr_t)

{void(*p)(int) = _exit;}

{int(*p)(const char*,int) = access;}

{unsigned(*p)(unsigned) = alarm;}

{int(*p)(const char*) = chdir;}

{int(*p)(const char*,uid_t,gid_t) = chown;}

{int(*p)(int) = close;}

{size_t(*p)(int,char*,size_t) = confstr;}

{int(*p)(int) = dup;}

{int(*p)(int,int) = dup2;}

{extern char **environ; char **x = environ;};

{int(*p)(const char*,const char*,...) = execl;}

{int(*p)(const char*,const char*,...) = execle;}

{int(*p)(const char*,const char*,...) = execlp;}

{int(*p)(const char*,char*const[]) = execv;}

{int(*p)(const char*,char*const[],char*const[]) = execve;}

{int(*p)(const char*,char*const[]) = execvp;}

{int(*p)(int,const char*,int,int) = faccessat;}

{int(*p)(int) = fchdir;}

{int(*p)(int,uid_t,gid_t) = fchown;}

{int(*p)(int,const char*,uid_t,gid_t,int) = fchownat;}

#ifdef POSIX_SYNCHRONIZED_IO

{int(*p)(int) = fdatasync;}

#endif

{int(*p)(int,char*const[],char*const[]) = fexecve;}

{pid_t(*p)(void) = fork;}

{long(*p)(int,int) = fpathconf;}

{int(*p)(int) = fsync;}

{int(*p)(int,off_t) = ftruncate;}

{char*(*p)(char*,size_t) = getcwd;}

{gid_t(*p)(void) = getegid;}

{uid_t(*p)(void) = geteuid;}

{gid_t(*p)(void) = getgid;}

{int(*p)(int,gid_t[]) = getgroups;}

{int(*p)(char*,size_t) = gethostname;}

{char*(*p)(void) = getlogin;}

{int(*p)(char*,size_t) = getlogin_r;}

{int(*p)(int,char*const[],const char*) = getopt;}

{pid_t(*p)(pid_t) = getpgid;}

{pid_t(*p)(void) = getpgrp;}

{pid_t(*p)(void) = getpid;}

{pid_t(*p)(void) = getppid;}

{pid_t(*p)(pid_t) = getsid;}

{uid_t(*p)(void) = getuid;}

{int(*p)(int) = isatty;}

{int(*p)(const char*,uid_t,gid_t) = lchown;}

{int(*p)(const char*,const char*) = link;}

{int(*p)(int,const char*,int,const char*,int) = linkat;}

{off_t(*p)(int,off_t,int) = lseek;}

{char *x = optarg;}

{int i = opterr;}

{int i = optind;}

{int i = optopt;}

{long(*p)(const char*,int) = pathconf;}

{int(*p)(void) = pause;}

{int(*p)(int[]) = pipe;}

{ssize_t(*p)(int,void*,size_t,off_t) = pread;}

{ssize_t(*p)(int,const void*,size_t,off_t) = pwrite;}

{ssize_t(*p)(int,void*,size_t) = read;}

{ssize_t(*p)(const char*restrict,char*restrict,size_t) = readlink;}

{ssize_t(*p)(int,const char*restrict,char*restrict,size_t) = readlinkat;}

{int(*p)(const char*) = rmdir;}

{int(*p)(gid_t) = setegid;}

{int(*p)(uid_t) = seteuid;}

{int(*p)(gid_t) = setgid;}

{int(*p)(pid_t,pid_t) = setpgid;}

{pid_t(*p)(void) = setsid;}

{int(*p)(uid_t) = setuid;}

{unsigned(*p)(unsigned) = sleep;}

{int(*p)(const char*,const char*) = symlink;}

{int(*p)(const char*,int,const char*) = symlinkat;}

{long(*p)(int) = sysconf;}

{pid_t(*p)(int) = tcgetpgrp;}

{int(*p)(int,pid_t) = tcsetpgrp;}

{int(*p)(const char*,off_t) = truncate;}

{char*(*p)(int) = ttyname;}

{int(*p)(int,char*,size_t) = ttyname_r;}

{int(*p)(const char*) = unlink;}

{int(*p)(int,const char*,int) = unlinkat;}

{ssize_t(*p)(int,const void*,size_t) = write;}

#ifdef _XOPEN_SOURCE

{char*(*p)(const char*,const char*) = crypt;}

{void(*p)(char[],int) = encrypt;}

{long(*p)(void) = gethostid;}

{int(*p)(int,int,off_t) = lockf;}

{int(*p)(int) = nice;}

{int(*p)(gid_t,gid_t) = setregid;}

{int(*p)(uid_t,uid_t) = setreuid;}

{void(*p)(const void*restrict,void*restrict,ssize_t) = swab;}

{void(*p)(void) = sync;}

#endif

}