[wasi-libc.git] / libc-top-half / musl / include / unistd.h

#ifndef	_UNISTD_H
#define	_UNISTD_H

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

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

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#else
#include <__header_unistd.h>
#endif

#ifdef __wasilibc_unmodified_upstream /* Use the compiler's definition of NULL */
#ifdef __cplusplus
#define NULL 0L
#else
#define NULL ((void*)0)
#endif
#else
#define __need_NULL
#include <stddef.h>
#endif

#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>

#ifdef __wasilibc_unmodified_upstream /* WASI has no pipe */
int pipe(int [2]);
int pipe2(int [2], int);
#endif
int close(int);
int posix_close(int, int);
#ifdef __wasilibc_unmodified_upstream /* WASI has no dup */
int dup(int);
int dup2(int, int);
int dup3(int, int, int);
#endif
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);

#ifdef __wasilibc_unmodified_upstream /* WASI has no chown */
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);
#endif

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);

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
#define F_OK 0
#define R_OK 4
#define W_OK 2
#define X_OK 1
#endif

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

#ifdef __wasilibc_unmodified_upstream /* WASI has no cwd */
int chdir(const char *);
int fchdir(int);
char *getcwd(char *, size_t);
#endif

#ifdef __wasilibc_unmodified_upstream /* WASI has no signals */
unsigned alarm(unsigned);
#endif
unsigned sleep(unsigned);
int pause(void);

#ifdef __wasilibc_unmodified_upstream /* WASI has no fork/exec */
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 []);
#endif
_Noreturn void _exit(int);

#ifdef __wasilibc_unmodified_upstream /* WASI has no getpid etc. */
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);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no ttyname */
char *ttyname(int);
int ttyname_r(int, char *, size_t);
#endif
int isatty(int);
#ifdef __wasilibc_unmodified_upstream /* WASI has no process groups */
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);
#endif

#ifdef __wasilibc_unmodified_upstream /* WASI has no getuid etc. */
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 seteuid(uid_t);
int setgid(gid_t);
int setegid(gid_t);
#endif

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);

#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define F_ULOCK 0
#define F_LOCK  1
#define F_TLOCK 2
#define F_TEST  3
#ifdef __wasilibc_unmodified_upstream /* WASI has no setreuid */
int setreuid(uid_t, uid_t);
int setregid(gid_t, gid_t);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no POSIX file locking */
int lockf(int, int, off_t);
#endif
long gethostid(void);
#ifdef __wasilibc_unmodified_upstream /* WASI has no nice, sync, or setpgrp */
int nice(int);
void sync(void);
pid_t setpgrp(void);
#endif
char *crypt(const char *, const char *);
void encrypt(char *, int);
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
#ifdef __wasilibc_unmodified_upstream /* WASI has no brk */
int brk(void *);
#endif
void *sbrk(intptr_t);
#ifdef __wasilibc_unmodified_upstream /* WASI has no processes */
pid_t vfork(void);
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 daemon(int, int);
void setusershell(void);
void endusershell(void);
char *getusershell(void);
int acct(const char *);
long syscall(long, ...);
int execvpe(const char *, char *const [], char *const []);
int issetugid(void);
#endif
int getentropy(void *, size_t);
#endif

#ifdef _GNU_SOURCE
extern char **environ;
#ifdef __wasilibc_unmodified_upstream /* WASI has no get/setresuid */
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 *);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no cwd */
char *get_current_dir_name(void);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no syncfs */
int syncfs(int);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no eaccess */
int euidaccess(const char *, int);
int eaccess(const char *, int);
#endif
#endif

#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define lseek64 lseek
#define pread64 pread
#define pwrite64 pwrite
#define truncate64 truncate
#define ftruncate64 ftruncate
#define lockf64 lockf
#define off64_t off_t
#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
#ifdef __wasilibc_unmodified_upstream /* WASI has no processes, mmap, or mq */
#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
#endif
#define _POSIX_FSYNC            _POSIX_VERSION
#define _POSIX_NO_TRUNC         1
#ifdef __wasilibc_unmodified_upstream /* WASI has no raw sockets */
#define _POSIX_RAW_SOCKETS      _POSIX_VERSION
#endif
#define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
#define _POSIX_REGEXP           1
#ifdef __wasilibc_unmodified_upstream /* WASI has no processes */
#define _POSIX_SAVED_IDS        1
#define _POSIX_SHELL            1
#define _POSIX_SPAWN            _POSIX_VERSION
#endif
#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 _POSIX_VERSION
#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
#ifdef __wasilibc_unmodified_upstream /* WASI has no POSIX async I/O, semaphores, or shared memory */
#define _POSIX_ASYNCHRONOUS_IO  _POSIX_VERSION
#define _POSIX_SEMAPHORES       _POSIX_VERSION
#define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
#endif

#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
#define _CS_V6_ENV	1148
#define _CS_V7_ENV	1149

#ifdef __cplusplus
}
#endif

#endif
Commit	Line	Data
320054e8 DG	1	#ifndef _UNISTD_H
	2	#define _UNISTD_H
	3
	4	#ifdef __cplusplus
	5	extern "C" {
	6	#endif
	7
	8	#include <features.h>
	9
	10	#define STDIN_FILENO 0
	11	#define STDOUT_FILENO 1
	12	#define STDERR_FILENO 2
	13
e5f14be3	14	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	15	#define SEEK_SET 0
	16	#define SEEK_CUR 1
	17	#define SEEK_END 2
	18	#else
	19	#include <__header_unistd.h>
	20	#endif
	21
e5f14be3	22	#ifdef __wasilibc_unmodified_upstream /* Use the compiler's definition of NULL */
320054e8 DG	23	#ifdef __cplusplus
	24	#define NULL 0L
	25	#else
	26	#define NULL ((void*)0)
	27	#endif
	28	#else
	29	#define __need_NULL
	30	#include <stddef.h>
	31	#endif
	32
	33	#define __NEED_size_t
	34	#define __NEED_ssize_t
	35	#define __NEED_uid_t
	36	#define __NEED_gid_t
	37	#define __NEED_off_t
	38	#define __NEED_pid_t
	39	#define __NEED_intptr_t
	40	#define __NEED_useconds_t
	41
	42	#include <bits/alltypes.h>
	43
e5f14be3	44	#ifdef __wasilibc_unmodified_upstream /* WASI has no pipe */
320054e8 DG	45	int pipe(int [2]);
	46	int pipe2(int [2], int);
	47	#endif
	48	int close(int);
	49	int posix_close(int, int);
e5f14be3	50	#ifdef __wasilibc_unmodified_upstream /* WASI has no dup */
320054e8 DG	51	int dup(int);
	52	int dup2(int, int);
	53	int dup3(int, int, int);
	54	#endif
	55	off_t lseek(int, off_t, int);
	56	int fsync(int);
	57	int fdatasync(int);
	58
	59	ssize_t read(int, void *, size_t);
	60	ssize_t write(int, const void *, size_t);
	61	ssize_t pread(int, void *, size_t, off_t);
	62	ssize_t pwrite(int, const void *, size_t, off_t);
	63
e5f14be3	64	#ifdef __wasilibc_unmodified_upstream /* WASI has no chown */
320054e8 DG	65	int chown(const char *, uid_t, gid_t);
	66	int fchown(int, uid_t, gid_t);
	67	int lchown(const char *, uid_t, gid_t);
	68	int fchownat(int, const char *, uid_t, gid_t, int);
	69	#endif
	70
	71	int link(const char , const char );
	72	int linkat(int, const char , int, const char , int);
	73	int symlink(const char , const char );
	74	int symlinkat(const char , int, const char );
	75	ssize_t readlink(const char __restrict, char __restrict, size_t);
	76	ssize_t readlinkat(int, const char __restrict, char __restrict, size_t);
	77	int unlink(const char *);
	78	int unlinkat(int, const char *, int);
	79	int rmdir(const char *);
	80	int truncate(const char *, off_t);
	81	int ftruncate(int, off_t);
	82
e5f14be3	83	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	84	#define F_OK 0
	85	#define R_OK 4
	86	#define W_OK 2
	87	#define X_OK 1
	88	#endif
	89
	90	int access(const char *, int);
	91	int faccessat(int, const char *, int, int);
	92
e5f14be3	93	#ifdef __wasilibc_unmodified_upstream /* WASI has no cwd */
320054e8 DG	94	int chdir(const char *);
	95	int fchdir(int);
	96	char getcwd(char , size_t);
	97	#endif
	98
e5f14be3	99	#ifdef __wasilibc_unmodified_upstream /* WASI has no signals */
320054e8 DG	100	unsigned alarm(unsigned);
	101	#endif
	102	unsigned sleep(unsigned);
	103	int pause(void);
	104
e5f14be3	105	#ifdef __wasilibc_unmodified_upstream /* WASI has no fork/exec */
320054e8 DG	106	pid_t fork(void);
	107	int execve(const char , char const [], char *const []);
	108	int execv(const char , char const []);
	109	int execle(const char , const char , ...);
	110	int execl(const char , const char , ...);
	111	int execvp(const char , char const []);
	112	int execlp(const char , const char , ...);
	113	int fexecve(int, char const [], char const []);
	114	#endif
	115	_Noreturn void _exit(int);
	116
e5f14be3	117	#ifdef __wasilibc_unmodified_upstream /* WASI has no getpid etc. */
320054e8 DG	118	pid_t getpid(void);
	119	pid_t getppid(void);
	120	pid_t getpgrp(void);
	121	pid_t getpgid(pid_t);
	122	int setpgid(pid_t, pid_t);
	123	pid_t setsid(void);
	124	pid_t getsid(pid_t);
	125	#endif
e5f14be3	126	#ifdef __wasilibc_unmodified_upstream /* WASI has no ttyname */
320054e8 DG	127	char *ttyname(int);
	128	int ttyname_r(int, char *, size_t);
	129	#endif
	130	int isatty(int);
e5f14be3	131	#ifdef __wasilibc_unmodified_upstream /* WASI has no process groups */
320054e8 DG	132	pid_t tcgetpgrp(int);
	133	int tcsetpgrp(int, pid_t);
	134	#endif
	135
e5f14be3	136	#ifdef __wasilibc_unmodified_upstream /* WASI has no getuid etc. */
320054e8 DG	137	uid_t getuid(void);
	138	uid_t geteuid(void);
	139	gid_t getgid(void);
	140	gid_t getegid(void);
	141	int getgroups(int, gid_t []);
	142	int setuid(uid_t);
	143	int seteuid(uid_t);
	144	int setgid(gid_t);
	145	int setegid(gid_t);
	146	#endif
	147
	148	char *getlogin(void);
	149	int getlogin_r(char *, size_t);
	150	int gethostname(char *, size_t);
	151	char ctermid(char );
	152
	153	int getopt(int, char * const [], const char *);
	154	extern char *optarg;
	155	extern int optind, opterr, optopt;
	156
	157	long pathconf(const char *, int);
	158	long fpathconf(int, int);
	159	long sysconf(int);
	160	size_t confstr(int, char *, size_t);
	161
	162	#if defined(_XOPEN_SOURCE) \|\| defined(_GNU_SOURCE) \|\| defined(_BSD_SOURCE)
	163	#define F_ULOCK 0
	164	#define F_LOCK 1
	165	#define F_TLOCK 2
	166	#define F_TEST 3
e5f14be3	167	#ifdef __wasilibc_unmodified_upstream /* WASI has no setreuid */
320054e8 DG	168	int setreuid(uid_t, uid_t);
	169	int setregid(gid_t, gid_t);
	170	#endif
e5f14be3	171	#ifdef __wasilibc_unmodified_upstream /* WASI has no POSIX file locking */
320054e8 DG	172	int lockf(int, int, off_t);
	173	#endif
	174	long gethostid(void);
e5f14be3	175	#ifdef __wasilibc_unmodified_upstream /* WASI has no nice, sync, or setpgrp */
320054e8 DG	176	int nice(int);
	177	void sync(void);
	178	pid_t setpgrp(void);
	179	#endif
	180	char crypt(const char , const char *);
	181	void encrypt(char *, int);
	182	void swab(const void __restrict, void __restrict, ssize_t);
	183	#endif
	184
	185	#if defined(_GNU_SOURCE) \|\| defined(_BSD_SOURCE) \
	186	\|\| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
	187	int usleep(unsigned);
	188	unsigned ualarm(unsigned, unsigned);
	189	#endif
	190
	191	#if defined(_GNU_SOURCE) \|\| defined(_BSD_SOURCE)
	192	#define L_SET 0
	193	#define L_INCR 1
	194	#define L_XTND 2
e5f14be3	195	#ifdef __wasilibc_unmodified_upstream /* WASI has no brk */
320054e8 DG	196	int brk(void *);
	197	#endif
	198	void *sbrk(intptr_t);
e5f14be3	199	#ifdef __wasilibc_unmodified_upstream /* WASI has no processes */
320054e8 DG	200	pid_t vfork(void);
	201	int vhangup(void);
	202	int chroot(const char *);
	203	int getpagesize(void);
	204	int getdtablesize(void);
	205	int sethostname(const char *, size_t);
	206	int getdomainname(char *, size_t);
	207	int setdomainname(const char *, size_t);
	208	int setgroups(size_t, const gid_t *);
	209	char getpass(const char );
	210	int daemon(int, int);
	211	void setusershell(void);
	212	void endusershell(void);
	213	char *getusershell(void);
	214	int acct(const char *);
	215	long syscall(long, ...);
	216	int execvpe(const char , char const [], char *const []);
	217	int issetugid(void);
	218	#endif
	219	int getentropy(void *, size_t);
	220	#endif
	221
	222	#ifdef _GNU_SOURCE
	223	extern char **environ;
e5f14be3	224	#ifdef __wasilibc_unmodified_upstream /* WASI has no get/setresuid */
320054e8 DG	225	int setresuid(uid_t, uid_t, uid_t);
	226	int setresgid(gid_t, gid_t, gid_t);
	227	int getresuid(uid_t , uid_t , uid_t *);
	228	int getresgid(gid_t , gid_t , gid_t *);
	229	#endif
e5f14be3	230	#ifdef __wasilibc_unmodified_upstream /* WASI has no cwd */
320054e8 DG	231	char *get_current_dir_name(void);
320054e8 DG	232	#endif
e5f14be3	233	#ifdef __wasilibc_unmodified_upstream /* WASI has no syncfs */
320054e8 DG	234	int syncfs(int);
320054e8 DG	235	#endif
e5f14be3	236	#ifdef __wasilibc_unmodified_upstream /* WASI has no eaccess */
320054e8 DG	237	int euidaccess(const char *, int);
	238	int eaccess(const char *, int);
	239	#endif
	240	#endif
	241
	242	#if defined(_LARGEFILE64_SOURCE) \|\| defined(_GNU_SOURCE)
	243	#define lseek64 lseek
	244	#define pread64 pread
	245	#define pwrite64 pwrite
	246	#define truncate64 truncate
	247	#define ftruncate64 ftruncate
	248	#define lockf64 lockf
	249	#define off64_t off_t
	250	#endif
	251
	252	#define POSIX_CLOSE_RESTART 0
	253
	254	#define _XOPEN_VERSION 700
	255	#define _XOPEN_UNIX 1
	256	#define _XOPEN_ENH_I18N 1
	257
	258	#define _POSIX_VERSION 200809L
	259	#define _POSIX2_VERSION _POSIX_VERSION
	260
	261	#define _POSIX_ADVISORY_INFO _POSIX_VERSION
	262	#define _POSIX_CHOWN_RESTRICTED 1
	263	#define _POSIX_IPV6 _POSIX_VERSION
e5f14be3	264	#ifdef __wasilibc_unmodified_upstream /* WASI has no processes, mmap, or mq */
320054e8 DG	265	#define _POSIX_JOB_CONTROL 1
	266	#define _POSIX_MAPPED_FILES _POSIX_VERSION
	267	#define _POSIX_MEMLOCK _POSIX_VERSION
	268	#define _POSIX_MEMLOCK_RANGE _POSIX_VERSION
	269	#define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
	270	#define _POSIX_MESSAGE_PASSING _POSIX_VERSION
	271	#endif
	272	#define _POSIX_FSYNC _POSIX_VERSION
	273	#define _POSIX_NO_TRUNC 1
e5f14be3	274	#ifdef __wasilibc_unmodified_upstream /* WASI has no raw sockets */
320054e8 DG	275	#define _POSIX_RAW_SOCKETS _POSIX_VERSION
	276	#endif
	277	#define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
	278	#define _POSIX_REGEXP 1
e5f14be3	279	#ifdef __wasilibc_unmodified_upstream /* WASI has no processes */
320054e8 DG	280	#define _POSIX_SAVED_IDS 1
	281	#define _POSIX_SHELL 1
	282	#define _POSIX_SPAWN _POSIX_VERSION
	283	#endif
	284	#define _POSIX_VDISABLE 0
	285
	286	#define _POSIX_THREADS _POSIX_VERSION
	287	#define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
	288	#define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
	289	#define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
	290	#define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
	291	#define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
	292	#define _POSIX_THREAD_CPUTIME _POSIX_VERSION
	293	#define _POSIX_TIMERS _POSIX_VERSION
	294	#define _POSIX_TIMEOUTS _POSIX_VERSION
	295	#define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION
	296	#define _POSIX_CPUTIME _POSIX_VERSION
	297	#define _POSIX_CLOCK_SELECTION _POSIX_VERSION
	298	#define _POSIX_BARRIERS _POSIX_VERSION
	299	#define _POSIX_SPIN_LOCKS _POSIX_VERSION
	300	#define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
e5f14be3	301	#ifdef __wasilibc_unmodified_upstream /* WASI has no POSIX async I/O, semaphores, or shared memory */
320054e8 DG	302	#define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION
	303	#define _POSIX_SEMAPHORES _POSIX_VERSION
	304	#define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
	305	#endif
	306
	307	#define _POSIX2_C_BIND _POSIX_VERSION
	308
	309	#include <bits/posix.h>
	310
	311
	312
	313	#define _PC_LINK_MAX 0
	314	#define _PC_MAX_CANON 1
	315	#define _PC_MAX_INPUT 2
	316	#define _PC_NAME_MAX 3
	317	#define _PC_PATH_MAX 4
	318	#define _PC_PIPE_BUF 5
	319	#define _PC_CHOWN_RESTRICTED 6
	320	#define _PC_NO_TRUNC 7
	321	#define _PC_VDISABLE 8
	322	#define _PC_SYNC_IO 9
	323	#define _PC_ASYNC_IO 10
	324	#define _PC_PRIO_IO 11
	325	#define _PC_SOCK_MAXBUF 12
	326	#define _PC_FILESIZEBITS 13
	327	#define _PC_REC_INCR_XFER_SIZE 14
	328	#define _PC_REC_MAX_XFER_SIZE 15
	329	#define _PC_REC_MIN_XFER_SIZE 16
	330	#define _PC_REC_XFER_ALIGN 17
	331	#define _PC_ALLOC_SIZE_MIN 18
	332	#define _PC_SYMLINK_MAX 19
	333	#define _PC_2_SYMLINKS 20
	334
	335	#define _SC_ARG_MAX 0
	336	#define _SC_CHILD_MAX 1
	337	#define _SC_CLK_TCK 2
	338	#define _SC_NGROUPS_MAX 3
	339	#define _SC_OPEN_MAX 4
	340	#define _SC_STREAM_MAX 5
	341	#define _SC_TZNAME_MAX 6
	342	#define _SC_JOB_CONTROL 7
	343	#define _SC_SAVED_IDS 8
	344	#define _SC_REALTIME_SIGNALS 9
	345	#define _SC_PRIORITY_SCHEDULING 10
	346	#define _SC_TIMERS 11
	347	#define _SC_ASYNCHRONOUS_IO 12
	348	#define _SC_PRIORITIZED_IO 13
	349	#define _SC_SYNCHRONIZED_IO 14
	350	#define _SC_FSYNC 15
	351	#define _SC_MAPPED_FILES 16
	352	#define _SC_MEMLOCK 17
	353	#define _SC_MEMLOCK_RANGE 18
	354	#define _SC_MEMORY_PROTECTION 19
	355	#define _SC_MESSAGE_PASSING 20
	356	#define _SC_SEMAPHORES 21
	357	#define _SC_SHARED_MEMORY_OBJECTS 22
	358	#define _SC_AIO_LISTIO_MAX 23
	359	#define _SC_AIO_MAX 24
	360	#define _SC_AIO_PRIO_DELTA_MAX 25
	361	#define _SC_DELAYTIMER_MAX 26
	362	#define _SC_MQ_OPEN_MAX 27
	363	#define _SC_MQ_PRIO_MAX 28
	364	#define _SC_VERSION 29
	365	#define _SC_PAGE_SIZE 30
366	#define _SC_PAGESIZE 30 /* !! */
367	#define _SC_RTSIG_MAX 31
368	#define _SC_SEM_NSEMS_MAX 32
369	#define _SC_SEM_VALUE_MAX 33
370	#define _SC_SIGQUEUE_MAX 34
371	#define _SC_TIMER_MAX 35
372	#define _SC_BC_BASE_MAX 36
373	#define _SC_BC_DIM_MAX 37
374	#define _SC_BC_SCALE_MAX 38
375	#define _SC_BC_STRING_MAX 39
376	#define _SC_COLL_WEIGHTS_MAX 40
377	#define _SC_EXPR_NEST_MAX 42
378	#define _SC_LINE_MAX 43
379	#define _SC_RE_DUP_MAX 44
380	#define _SC_2_VERSION 46
381	#define _SC_2_C_BIND 47
382	#define _SC_2_C_DEV 48
383	#define _SC_2_FORT_DEV 49
384	#define _SC_2_FORT_RUN 50
385	#define _SC_2_SW_DEV 51
386	#define _SC_2_LOCALEDEF 52
387	#define _SC_UIO_MAXIOV 60 /* !! */
388	#define _SC_IOV_MAX 60
389	#define _SC_THREADS 67
390	#define _SC_THREAD_SAFE_FUNCTIONS 68
391	#define _SC_GETGR_R_SIZE_MAX 69
392	#define _SC_GETPW_R_SIZE_MAX 70
393	#define _SC_LOGIN_NAME_MAX 71
394	#define _SC_TTY_NAME_MAX 72
395	#define _SC_THREAD_DESTRUCTOR_ITERATIONS 73
396	#define _SC_THREAD_KEYS_MAX 74
397	#define _SC_THREAD_STACK_MIN 75
398	#define _SC_THREAD_THREADS_MAX 76
399	#define _SC_THREAD_ATTR_STACKADDR 77
400	#define _SC_THREAD_ATTR_STACKSIZE 78
401	#define _SC_THREAD_PRIORITY_SCHEDULING 79
402	#define _SC_THREAD_PRIO_INHERIT 80
403	#define _SC_THREAD_PRIO_PROTECT 81
404	#define _SC_THREAD_PROCESS_SHARED 82
405	#define _SC_NPROCESSORS_CONF 83
406	#define _SC_NPROCESSORS_ONLN 84
407	#define _SC_PHYS_PAGES 85
408	#define _SC_AVPHYS_PAGES 86
409	#define _SC_ATEXIT_MAX 87
410	#define _SC_PASS_MAX 88
411	#define _SC_XOPEN_VERSION 89
412	#define _SC_XOPEN_XCU_VERSION 90
413	#define _SC_XOPEN_UNIX 91
414	#define _SC_XOPEN_CRYPT 92
415	#define _SC_XOPEN_ENH_I18N 93
416	#define _SC_XOPEN_SHM 94
417	#define _SC_2_CHAR_TERM 95
418	#define _SC_2_UPE 97
419	#define _SC_XOPEN_XPG2 98
420	#define _SC_XOPEN_XPG3 99
421	#define _SC_XOPEN_XPG4 100
422	#define _SC_NZERO 109
423	#define _SC_XBS5_ILP32_OFF32 125
424	#define _SC_XBS5_ILP32_OFFBIG 126
425	#define _SC_XBS5_LP64_OFF64 127
426	#define _SC_XBS5_LPBIG_OFFBIG 128
427	#define _SC_XOPEN_LEGACY 129
428	#define _SC_XOPEN_REALTIME 130
429	#define _SC_XOPEN_REALTIME_THREADS 131
430	#define _SC_ADVISORY_INFO 132
431	#define _SC_BARRIERS 133
432	#define _SC_CLOCK_SELECTION 137
433	#define _SC_CPUTIME 138
434	#define _SC_THREAD_CPUTIME 139
435	#define _SC_MONOTONIC_CLOCK 149
436	#define _SC_READER_WRITER_LOCKS 153
437	#define _SC_SPIN_LOCKS 154
438	#define _SC_REGEXP 155
439	#define _SC_SHELL 157
440	#define _SC_SPAWN 159
441	#define _SC_SPORADIC_SERVER 160
442	#define _SC_THREAD_SPORADIC_SERVER 161
443	#define _SC_TIMEOUTS 164
444	#define _SC_TYPED_MEMORY_OBJECTS 165
445	#define _SC_2_PBS 168
446	#define _SC_2_PBS_ACCOUNTING 169
447	#define _SC_2_PBS_LOCATE 170
448	#define _SC_2_PBS_MESSAGE 171
449	#define _SC_2_PBS_TRACK 172
450	#define _SC_SYMLOOP_MAX 173
451	#define _SC_STREAMS 174
452	#define _SC_2_PBS_CHECKPOINT 175
453	#define _SC_V6_ILP32_OFF32 176
454	#define _SC_V6_ILP32_OFFBIG 177
455	#define _SC_V6_LP64_OFF64 178
456	#define _SC_V6_LPBIG_OFFBIG 179
457	#define _SC_HOST_NAME_MAX 180
458	#define _SC_TRACE 181
459	#define _SC_TRACE_EVENT_FILTER 182
460	#define _SC_TRACE_INHERIT 183
461	#define _SC_TRACE_LOG 184
462
463	#define _SC_IPV6 235
464	#define _SC_RAW_SOCKETS 236
465	#define _SC_V7_ILP32_OFF32 237
466	#define _SC_V7_ILP32_OFFBIG 238
467	#define _SC_V7_LP64_OFF64 239
468	#define _SC_V7_LPBIG_OFFBIG 240
469	#define _SC_SS_REPL_MAX 241
470	#define _SC_TRACE_EVENT_NAME_MAX 242
471	#define _SC_TRACE_NAME_MAX 243
472	#define _SC_TRACE_SYS_MAX 244
473	#define _SC_TRACE_USER_EVENT_MAX 245
474	#define _SC_XOPEN_STREAMS 246
475	#define _SC_THREAD_ROBUST_PRIO_INHERIT 247
476	#define _SC_THREAD_ROBUST_PRIO_PROTECT 248
477
478	#define _CS_PATH 0
479	#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 1
480	#define _CS_GNU_LIBC_VERSION 2
481	#define _CS_GNU_LIBPTHREAD_VERSION 3
482	#define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS 4
483	#define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 5
484
485	#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116
486	#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 1117
487	#define _CS_POSIX_V6_ILP32_OFF32_LIBS 1118
488	#define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS 1119
489	#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 1120
490	#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 1121
491	#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 1122
492	#define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS 1123
493	#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 1124
494	#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125
495	#define _CS_POSIX_V6_LP64_OFF64_LIBS 1126
496	#define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS 1127
497	#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 1128
498	#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 1129
499	#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 1130
500	#define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS 1131
501	#define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132
502	#define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 1133
503	#define _CS_POSIX_V7_ILP32_OFF32_LIBS 1134
504	#define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS 1135
505	#define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 1136
506	#define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 1137
507	#define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 1138
508	#define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS 1139
509	#define _CS_POSIX_V7_LP64_OFF64_CFLAGS 1140
510	#define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141
511	#define _CS_POSIX_V7_LP64_OFF64_LIBS 1142
512	#define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS 1143
513	#define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 1144
514	#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145
515	#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146
516	#define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147
517	#define _CS_V6_ENV 1148
518	#define _CS_V7_ENV 1149
519
520	#ifdef __cplusplus
521	}
522	#endif
523
524	#endif