#ifndef SYSROOT_UNISTD_H_
#define SYSROOT_UNISTD_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

#include <bits/null.h>

#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2

#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2

#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_uid_t
#define __NEED_gid_t
#define __NEED_off_t
#define __NEED_pid_t
#define __NEED_intptr_t
#define __NEED_useconds_t

#include <bits/alltypes.h>

int pipe(int[2]);
int pipe2(int[2], int);
int close(int);
int posix_close(int, int);
int dup(int);
int dup2(int, int);
int dup3(int, int, int);
off_t lseek(int, off_t, int);
int fsync(int);
int fdatasync(int);

ssize_t read(int, void*, size_t);
ssize_t write(int, const void*, size_t);
ssize_t pread(int, void*, size_t, off_t);
ssize_t pwrite(int, const void*, size_t, off_t);

int chown(const char*, uid_t, gid_t);
int fchown(int, uid_t, gid_t);
int lchown(const char*, uid_t, gid_t);
int fchownat(int, const char*, uid_t, gid_t, int);

int link(const char*, const char*);
int linkat(int, const char*, int, const char*, int);
int symlink(const char*, const char*);
int symlinkat(const char*, int, const char*);
ssize_t readlink(const char* __restrict, char* __restrict, size_t);
ssize_t readlinkat(int, const char* __restrict, char* __restrict, size_t);
int unlink(const char*);
int unlinkat(int, const char*, int);
int rmdir(const char*);
int truncate(const char*, off_t);
int ftruncate(int, off_t);

#define F_OK 0
#define R_OK 4
#define W_OK 2
#define X_OK 1

int access(const char*, int);
int faccessat(int, const char*, int, int);

int chdir(const char*);
char* getcwd(char*, size_t);

unsigned alarm(unsigned);
unsigned sleep(unsigned);
int pause(void);

pid_t fork(void);
int execve(const char*, char* const[], char* const[]);
int execv(const char*, char* const[]);
int execle(const char*, const char*, ...);
int execl(const char*, const char*, ...);
int execvp(const char*, char* const[]);
int execlp(const char*, const char*, ...);
int fexecve(int, char* const[], char* const[]);
_Noreturn void _exit(int);

pid_t getpid(void);
pid_t getppid(void);
pid_t getpgrp(void);
pid_t getpgid(pid_t);
int setpgid(pid_t, pid_t);
pid_t setsid(void);
pid_t getsid(pid_t);
char* ttyname(int);
int ttyname_r(int, char*, size_t);
int isatty(int);
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);

uid_t getuid(void);
uid_t geteuid(void);
gid_t getgid(void);
gid_t getegid(void);
int getgroups(int, gid_t[]);
int setuid(uid_t);
int setreuid(uid_t, uid_t);
int seteuid(uid_t);
int setgid(gid_t);
int setregid(gid_t, gid_t);
int setegid(gid_t);

char* getlogin(void);
int getlogin_r(char*, size_t);
int gethostname(char*, size_t);
char* ctermid(char*);

int getopt(int, char* const[], const char*);
extern char* optarg;
extern int optind, opterr, optopt;

long pathconf(const char*, int);
long fpathconf(int, int);
long sysconf(int);
size_t confstr(int, char*, size_t);

#define F_ULOCK 0
#define F_LOCK 1
#define F_TLOCK 2
#define F_TEST 3

#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
int lockf(int, int, off_t);
long gethostid(void);
void sync(void);
int syncfs(int);
pid_t setpgrp(void);
void swab(const void* __restrict, void* __restrict, ssize_t);
#endif

#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || \
    (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE + 0 < 700)
int usleep(unsigned);
unsigned ualarm(unsigned, unsigned);
#endif

#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define L_SET 0
#define L_INCR 1
#define L_XTND 2
int vhangup(void);
int chroot(const char*);
int getpagesize(void);
int getdtablesize(void);
int sethostname(const char*, size_t);
int getdomainname(char*, size_t);
int setdomainname(const char*, size_t);
int setgroups(size_t, const gid_t*);
char* getpass(const char*);
int acct(const char*);
int execvpe(const char*, char* const[], char* const[]);
int issetugid(void);
#endif

#ifdef _GNU_SOURCE
extern char** environ;
int setresuid(uid_t, uid_t, uid_t);
int setresgid(gid_t, gid_t, gid_t);
int getresuid(uid_t*, uid_t*, uid_t*);
int getresgid(gid_t*, gid_t*, gid_t*);
char* get_current_dir_name(void);
int euidaccess(const char*, int);
int eaccess(const char*, int);
#endif

#define POSIX_CLOSE_RESTART 0

#define _XOPEN_VERSION 700
#define _XOPEN_UNIX 1
#define _XOPEN_ENH_I18N 1

#define _POSIX_VERSION 200809L
#define _POSIX2_VERSION _POSIX_VERSION

#define _POSIX_ADVISORY_INFO _POSIX_VERSION
#define _POSIX_CHOWN_RESTRICTED 1
#define _POSIX_IPV6 _POSIX_VERSION
#define _POSIX_JOB_CONTROL 1
#define _POSIX_MAPPED_FILES _POSIX_VERSION
#define _POSIX_MEMLOCK _POSIX_VERSION
#define _POSIX_MEMLOCK_RANGE _POSIX_VERSION
#define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
#define _POSIX_MESSAGE_PASSING _POSIX_VERSION
#define _POSIX_FSYNC _POSIX_VERSION
#define _POSIX_NO_TRUNC 1
#define _POSIX_RAW_SOCKETS _POSIX_VERSION
#define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
#define _POSIX_REGEXP 1
#define _POSIX_SAVED_IDS 1
#define _POSIX_SHELL 1
#define _POSIX_SPAWN _POSIX_VERSION
#define _POSIX_VDISABLE 0

#define _POSIX_THREADS _POSIX_VERSION
#define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
#define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
#define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
#define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
/* #define _POSIX_THREAD_PRIORITY_SCHEDULING -1 */
#define _POSIX_THREAD_CPUTIME _POSIX_VERSION
#define _POSIX_TIMERS _POSIX_VERSION
#define _POSIX_TIMEOUTS _POSIX_VERSION
#define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION
#define _POSIX_CPUTIME _POSIX_VERSION
#define _POSIX_CLOCK_SELECTION _POSIX_VERSION
#define _POSIX_BARRIERS _POSIX_VERSION
#define _POSIX_SPIN_LOCKS _POSIX_VERSION
#define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
#define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION
#define _POSIX_SEMAPHORES _POSIX_VERSION
#define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION

#define _POSIX2_C_BIND _POSIX_VERSION

#include <bits/posix.h>

#define _PC_LINK_MAX 0
#define _PC_MAX_CANON 1
#define _PC_MAX_INPUT 2
#define _PC_NAME_MAX 3
#define _PC_PATH_MAX 4
#define _PC_PIPE_BUF 5
#define _PC_CHOWN_RESTRICTED 6
#define _PC_NO_TRUNC 7
#define _PC_VDISABLE 8
#define _PC_SYNC_IO 9
#define _PC_ASYNC_IO 10
#define _PC_PRIO_IO 11
#define _PC_SOCK_MAXBUF 12
#define _PC_FILESIZEBITS 13
#define _PC_REC_INCR_XFER_SIZE 14
#define _PC_REC_MAX_XFER_SIZE 15
#define _PC_REC_MIN_XFER_SIZE 16
#define _PC_REC_XFER_ALIGN 17
#define _PC_ALLOC_SIZE_MIN 18
#define _PC_SYMLINK_MAX 19
#define _PC_2_SYMLINKS 20

#define _SC_ARG_MAX 0
#define _SC_CHILD_MAX 1
#define _SC_CLK_TCK 2
#define _SC_NGROUPS_MAX 3
#define _SC_OPEN_MAX 4
#define _SC_STREAM_MAX 5
#define _SC_TZNAME_MAX 6
#define _SC_JOB_CONTROL 7
#define _SC_SAVED_IDS 8
#define _SC_REALTIME_SIGNALS 9
#define _SC_PRIORITY_SCHEDULING 10
#define _SC_TIMERS 11
#define _SC_ASYNCHRONOUS_IO 12
#define _SC_PRIORITIZED_IO 13
#define _SC_SYNCHRONIZED_IO 14
#define _SC_FSYNC 15
#define _SC_MAPPED_FILES 16
#define _SC_MEMLOCK 17
#define _SC_MEMLOCK_RANGE 18
#define _SC_MEMORY_PROTECTION 19
#define _SC_MESSAGE_PASSING 20
#define _SC_SEMAPHORES 21
#define _SC_SHARED_MEMORY_OBJECTS 22
#define _SC_AIO_LISTIO_MAX 23
#define _SC_AIO_MAX 24
#define _SC_AIO_PRIO_DELTA_MAX 25
#define _SC_DELAYTIMER_MAX 26
#define _SC_MQ_OPEN_MAX 27
#define _SC_MQ_PRIO_MAX 28
#define _SC_VERSION 29
#define _SC_PAGE_SIZE 30
#define _SC_PAGESIZE 30 /* !! */
#define _SC_RTSIG_MAX 31
#define _SC_SEM_NSEMS_MAX 32
#define _SC_SEM_VALUE_MAX 33
#define _SC_SIGQUEUE_MAX 34
#define _SC_TIMER_MAX 35
#define _SC_BC_BASE_MAX 36
#define _SC_BC_DIM_MAX 37
#define _SC_BC_SCALE_MAX 38
#define _SC_BC_STRING_MAX 39
#define _SC_COLL_WEIGHTS_MAX 40
#define _SC_EXPR_NEST_MAX 42
#define _SC_LINE_MAX 43
#define _SC_RE_DUP_MAX 44
#define _SC_2_VERSION 46
#define _SC_2_C_BIND 47
#define _SC_2_C_DEV 48
#define _SC_2_FORT_DEV 49
#define _SC_2_FORT_RUN 50
#define _SC_2_SW_DEV 51
#define _SC_2_LOCALEDEF 52
#define _SC_UIO_MAXIOV 60 /* !! */
#define _SC_IOV_MAX 60
#define _SC_THREADS 67
#define _SC_THREAD_SAFE_FUNCTIONS 68
#define _SC_GETGR_R_SIZE_MAX 69
#define _SC_GETPW_R_SIZE_MAX 70
#define _SC_LOGIN_NAME_MAX 71
#define _SC_TTY_NAME_MAX 72
#define _SC_THREAD_DESTRUCTOR_ITERATIONS 73
#define _SC_THREAD_KEYS_MAX 74
#define _SC_THREAD_STACK_MIN 75
#define _SC_THREAD_THREADS_MAX 76
#define _SC_THREAD_ATTR_STACKADDR 77
#define _SC_THREAD_ATTR_STACKSIZE 78
#define _SC_THREAD_PRIORITY_SCHEDULING 79
#define _SC_THREAD_PRIO_INHERIT 80
#define _SC_THREAD_PRIO_PROTECT 81
#define _SC_THREAD_PROCESS_SHARED 82
#define _SC_NPROCESSORS_CONF 83
#define _SC_NPROCESSORS_ONLN 84
#define _SC_PHYS_PAGES 85
#define _SC_AVPHYS_PAGES 86
#define _SC_ATEXIT_MAX 87
#define _SC_PASS_MAX 88
#define _SC_XOPEN_VERSION 89
#define _SC_XOPEN_XCU_VERSION 90
#define _SC_XOPEN_UNIX 91
#define _SC_XOPEN_CRYPT 92
#define _SC_XOPEN_ENH_I18N 93
#define _SC_XOPEN_SHM 94
#define _SC_2_CHAR_TERM 95
#define _SC_2_UPE 97
#define _SC_XOPEN_XPG2 98
#define _SC_XOPEN_XPG3 99
#define _SC_XOPEN_XPG4 100
#define _SC_NZERO 109
#define _SC_XBS5_ILP32_OFF32 125
#define _SC_XBS5_ILP32_OFFBIG 126
#define _SC_XBS5_LP64_OFF64 127
#define _SC_XBS5_LPBIG_OFFBIG 128
#define _SC_XOPEN_LEGACY 129
#define _SC_XOPEN_REALTIME 130
#define _SC_XOPEN_REALTIME_THREADS 131
#define _SC_ADVISORY_INFO 132
#define _SC_BARRIERS 133
#define _SC_CLOCK_SELECTION 137
#define _SC_CPUTIME 138
#define _SC_THREAD_CPUTIME 139
#define _SC_MONOTONIC_CLOCK 149
#define _SC_READER_WRITER_LOCKS 153
#define _SC_SPIN_LOCKS 154
#define _SC_REGEXP 155
#define _SC_SHELL 157
#define _SC_SPAWN 159
#define _SC_SPORADIC_SERVER 160
#define _SC_THREAD_SPORADIC_SERVER 161
#define _SC_TIMEOUTS 164
#define _SC_TYPED_MEMORY_OBJECTS 165
#define _SC_2_PBS 168
#define _SC_2_PBS_ACCOUNTING 169
#define _SC_2_PBS_LOCATE 170
#define _SC_2_PBS_MESSAGE 171
#define _SC_2_PBS_TRACK 172
#define _SC_SYMLOOP_MAX 173
#define _SC_STREAMS 174
#define _SC_2_PBS_CHECKPOINT 175
#define _SC_V6_ILP32_OFF32 176
#define _SC_V6_ILP32_OFFBIG 177
#define _SC_V6_LP64_OFF64 178
#define _SC_V6_LPBIG_OFFBIG 179
#define _SC_HOST_NAME_MAX 180
#define _SC_TRACE 181
#define _SC_TRACE_EVENT_FILTER 182
#define _SC_TRACE_INHERIT 183
#define _SC_TRACE_LOG 184

#define _SC_IPV6 235
#define _SC_RAW_SOCKETS 236
#define _SC_V7_ILP32_OFF32 237
#define _SC_V7_ILP32_OFFBIG 238
#define _SC_V7_LP64_OFF64 239
#define _SC_V7_LPBIG_OFFBIG 240
#define _SC_SS_REPL_MAX 241
#define _SC_TRACE_EVENT_NAME_MAX 242
#define _SC_TRACE_NAME_MAX 243
#define _SC_TRACE_SYS_MAX 244
#define _SC_TRACE_USER_EVENT_MAX 245
#define _SC_XOPEN_STREAMS 246
#define _SC_THREAD_ROBUST_PRIO_INHERIT 247
#define _SC_THREAD_ROBUST_PRIO_PROTECT 248

#define _CS_PATH 0
#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 1
#define _CS_GNU_LIBC_VERSION 2
#define _CS_GNU_LIBPTHREAD_VERSION 3
#define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS 4
#define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 5

#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116
#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 1117
#define _CS_POSIX_V6_ILP32_OFF32_LIBS 1118
#define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS 1119
#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 1120
#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 1121
#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 1122
#define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS 1123
#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 1124
#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125
#define _CS_POSIX_V6_LP64_OFF64_LIBS 1126
#define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS 1127
#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 1128
#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 1129
#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 1130
#define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS 1131
#define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132
#define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 1133
#define _CS_POSIX_V7_ILP32_OFF32_LIBS 1134
#define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS 1135
#define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 1136
#define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 1137
#define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 1138
#define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS 1139
#define _CS_POSIX_V7_LP64_OFF64_CFLAGS 1140
#define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141
#define _CS_POSIX_V7_LP64_OFF64_LIBS 1142
#define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS 1143
#define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 1144
#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145
#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146
#define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147

#ifdef __cplusplus
}
#endif

#endif  // SYSROOT_UNISTD_H_