unistd.h

Macros

Macro	Status	C23 Section	POSIX Docs
F_LOCK	✓Implemented	–	POSIX.1-2024 ↗
F_OK	✓Implemented	–	POSIX.1-2024 ↗
F_TEST	✓Implemented	–	POSIX.1-2024 ↗
F_TLOCK	✓Implemented	–	POSIX.1-2024 ↗
F_ULOCK	✓Implemented	–	POSIX.1-2024 ↗
POSIX_CLOSE_RESTART	–Not Implemented	–	POSIX.1-2024 ↗
R_OK	✓Implemented	–	POSIX.1-2024 ↗
SEEK_END	✓Implemented	–	POSIX.1-2024 ↗
SEEK_SET	✓Implemented	–	POSIX.1-2024 ↗
STDERR_FILENO	✓Implemented	–	POSIX.1-2024 ↗
STDIN_FILENO	✓Implemented	–	POSIX.1-2024 ↗
STDOUT_FILENO	✓Implemented	–	POSIX.1-2024 ↗
W_OK	✓Implemented	–	POSIX.1-2024 ↗
X_OK	✓Implemented	–	POSIX.1-2024 ↗
_CS_PATH	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFF32_CFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFF32_LDFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFF32_LIBS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFFBIG_CFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFFBIG_LDFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_ILP32_OFFBIG_LIBS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LP64_OFF64_CFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LP64_OFF64_LDFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LP64_OFF64_LIBS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LPBIG_OFFBIG_CFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LPBIG_OFFBIG_LDFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_LPBIG_OFFBIG_LIBS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_THREADS_CFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_THREADS_LDFLAGS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_POSIX_V8_WIDTH_RESTRICTED_ENVS	–Not Implemented	–	POSIX.1-2024 ↗
_CS_V8_ENV	–Not Implemented	–	POSIX.1-2024 ↗
_PC_2_SYMLINKS	✓Implemented	–	POSIX.1-2024 ↗
_PC_ALLOC_SIZE_MIN	✓Implemented	–	POSIX.1-2024 ↗
_PC_ASYNC_IO	✓Implemented	–	POSIX.1-2024 ↗
_PC_CHOWN_RESTRICTED	✓Implemented	–	POSIX.1-2024 ↗
_PC_FALLOC	–Not Implemented	–	POSIX.1-2024 ↗
_PC_FILESIZEBITS	✓Implemented	–	POSIX.1-2024 ↗
_PC_LINK_MAX	✓Implemented	–	POSIX.1-2024 ↗
_PC_MAX_CANON	✓Implemented	–	POSIX.1-2024 ↗
_PC_MAX_INPUT	✓Implemented	–	POSIX.1-2024 ↗
_PC_NAME_MAX	✓Implemented	–	POSIX.1-2024 ↗
_PC_NO_TRUNC	✓Implemented	–	POSIX.1-2024 ↗
_PC_PATH_MAX	✓Implemented	–	POSIX.1-2024 ↗
_PC_PIPE_BUF	✓Implemented	–	POSIX.1-2024 ↗
_PC_PRIO_IO	✓Implemented	–	POSIX.1-2024 ↗
_PC_REC_INCR_XFER_SIZE	✓Implemented	–	POSIX.1-2024 ↗
_PC_REC_MAX_XFER_SIZE	✓Implemented	–	POSIX.1-2024 ↗
_PC_REC_MIN_XFER_SIZE	✓Implemented	–	POSIX.1-2024 ↗
_PC_REC_XFER_ALIGN	✓Implemented	–	POSIX.1-2024 ↗
_PC_SYMLINK_MAX	✓Implemented	–	POSIX.1-2024 ↗
_PC_SYNC_IO	✓Implemented	–	POSIX.1-2024 ↗
_PC_TEXTDOMAIN_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_PC_TIMESTAMP_RESOLUTION	–Not Implemented	–	POSIX.1-2024 ↗
_PC_VDISABLE	✓Implemented	–	POSIX.1-2024 ↗
_POSIX2_CHAR_TERM	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_C_BIND	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_C_DEV	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_FORT_RUN	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_LOCALEDEF	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_SW_DEV	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_SYMLINKS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_UPE	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX2_VERSION	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_ADVISORY_INFO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_ASYNCHRONOUS_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_ASYNC_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_BARRIERS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_CHOWN_RESTRICTED	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_CLOCK_SELECTION	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_CPUTIME	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_DEVICE_CONTROL	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_FALLOC	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_FSYNC	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_IPV6	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_JOB_CONTROL	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MAPPED_FILES	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MEMLOCK	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MEMLOCK_RANGE	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MEMORY_PROTECTION	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MESSAGE_PASSING	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_MONOTONIC_CLOCK	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_NO_TRUNC	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_PRIORITIZED_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_PRIORITY_SCHEDULING	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_PRIO_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_RAW_SOCKETS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_READER_WRITER_LOCKS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_REALTIME_SIGNALS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_REGEXP	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SAVED_IDS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SEMAPHORES	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SHARED_MEMORY_OBJECTS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SHELL	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SPAWN	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SPIN_LOCKS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SPORADIC_SERVER	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SUBPROFILE	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SYNCHRONIZED_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_SYNC_IO	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_THREADS	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_ATTR_STACKADDR	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_ATTR_STACKSIZE	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_CPUTIME	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_PRIORITY_SCHEDULING	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_PRIO_INHERIT	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_PRIO_PROTECT	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_PROCESS_SHARED	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_ROBUST_PRIO_INHERIT	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_ROBUST_PRIO_PROTECT	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_SAFE_FUNCTIONS	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_THREAD_SPORADIC_SERVER	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_TIMEOUTS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_TIMERS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_TIMESTAMP_RESOLUTION	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_TYPED_MEMORY_OBJECTS	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V7_ILP32_OFF32	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V7_ILP32_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V7_LP64_OFF64	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V7_LPBIG_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V8_ILP32_OFF32	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V8_ILP32_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V8_LP64_OFF64	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_V8_LPBIG_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_POSIX_VDISABLE	✓Implemented	–	POSIX.1-2024 ↗
_POSIX_VERSION	✓Implemented	–	POSIX.1-2024 ↗
_SC_2_CHAR_TERM	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_C_BIND	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_C_DEV	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_FORT_RUN	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_LOCALEDEF	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_SW_DEV	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_UPE	–Not Implemented	–	POSIX.1-2024 ↗
_SC_2_VERSION	–Not Implemented	–	POSIX.1-2024 ↗
_SC_ADVISORY_INFO	–Not Implemented	–	POSIX.1-2024 ↗
_SC_AIO_LISTIO_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_AIO_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_AIO_PRIO_DELTA_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_ARG_MAX	✓Implemented	–	POSIX.1-2024 ↗
_SC_ASYNCHRONOUS_IO	–Not Implemented	–	POSIX.1-2024 ↗
_SC_ATEXIT_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_BARRIERS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_BC_BASE_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_BC_DIM_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_BC_SCALE_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_BC_STRING_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_CHILD_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_CLK_TCK	✓Implemented	–	POSIX.1-2024 ↗
_SC_CLOCK_SELECTION	–Not Implemented	–	POSIX.1-2024 ↗
_SC_COLL_WEIGHTS_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_CPUTIME	–Not Implemented	–	POSIX.1-2024 ↗
_SC_DELAYTIMER_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_DEVICE_CONTROL	–Not Implemented	–	POSIX.1-2024 ↗
_SC_EXPR_NEST_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_FSYNC	–Not Implemented	–	POSIX.1-2024 ↗
_SC_GETGR_R_SIZE_MAX	✓Implemented	–	POSIX.1-2024 ↗
_SC_GETPW_R_SIZE_MAX	✓Implemented	–	POSIX.1-2024 ↗
_SC_HOST_NAME_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_IOV_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_IPV6	–Not Implemented	–	POSIX.1-2024 ↗
_SC_JOB_CONTROL	–Not Implemented	–	POSIX.1-2024 ↗
_SC_LINE_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_LOGIN_NAME_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MAPPED_FILES	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MEMLOCK	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MEMLOCK_RANGE	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MEMORY_PROTECTION	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MESSAGE_PASSING	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MONOTONIC_CLOCK	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MQ_OPEN_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_MQ_PRIO_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_NGROUPS_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_NPROCESSORS_CONF	✓Implemented	–	POSIX.1-2024 ↗
_SC_NPROCESSORS_ONLN	✓Implemented	–	POSIX.1-2024 ↗
_SC_NSIG	–Not Implemented	–	POSIX.1-2024 ↗
_SC_OPEN_MAX	✓Implemented	–	POSIX.1-2024 ↗
_SC_PAGESIZE	✓Implemented	–	POSIX.1-2024 ↗
_SC_PAGE_SIZE	✓Implemented	–	POSIX.1-2024 ↗
_SC_PRIORITIZED_IO	–Not Implemented	–	POSIX.1-2024 ↗
_SC_PRIORITY_SCHEDULING	–Not Implemented	–	POSIX.1-2024 ↗
_SC_RAW_SOCKETS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_READER_WRITER_LOCKS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_REALTIME_SIGNALS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_REGEXP	–Not Implemented	–	POSIX.1-2024 ↗
_SC_RE_DUP_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_RTSIG_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SAVED_IDS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SEMAPHORES	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SEM_NSEMS_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SEM_VALUE_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SHARED_MEMORY_OBJECTS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SHELL	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SIGQUEUE_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SPAWN	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SPIN_LOCKS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SPORADIC_SERVER	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SS_REPL_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_STREAM_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SYMLOOP_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_SYNCHRONIZED_IO	–Not Implemented	–	POSIX.1-2024 ↗
_SC_THREADS	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_ATTR_STACKADDR	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_ATTR_STACKSIZE	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_CPUTIME	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_DESTRUCTOR_ITERATIONS	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_KEYS_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_PRIORITY_SCHEDULING	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_PRIO_INHERIT	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_PRIO_PROTECT	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_PROCESS_SHARED	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_ROBUST_PRIO_INHERIT	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_ROBUST_PRIO_PROTECT	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_SAFE_FUNCTIONS	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_SPORADIC_SERVER	✓Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_STACK_MIN	–Not Implemented	–	POSIX.1-2024 ↗
_SC_THREAD_THREADS_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TIMEOUTS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TIMERS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TIMER_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TTY_NAME_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TYPED_MEMORY_OBJECTS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_TZNAME_MAX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V7_ILP32_OFF32	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V7_ILP32_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V7_LP64_OFF64	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V7_LPBIG_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V8_ILP32_OFF32	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V8_ILP32_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V8_LP64_OFF64	–Not Implemented	–	POSIX.1-2024 ↗
_SC_V8_LPBIG_OFFBIG	–Not Implemented	–	POSIX.1-2024 ↗
_SC_VERSION	✓Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_CRYPT	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_ENH_I18N	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_REALTIME	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_REALTIME_THREADS	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_SHM	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_UNIX	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_UUCP	–Not Implemented	–	POSIX.1-2024 ↗
_SC_XOPEN_VERSION	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_CRYPT	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_ENH_I18N	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_REALTIME	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_REALTIME_THREADS	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_SHM	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_UNIX	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_UUCP	–Not Implemented	–	POSIX.1-2024 ↗
_XOPEN_VERSION	–Not Implemented	–	POSIX.1-2024 ↗

Functions

Function	Status	C23 Section	POSIX Docs
_Fork	–Not Implemented	–	POSIX.1-2024 ↗
_exit	✓Implemented	–	POSIX.1-2024 ↗
access	✓Implemented	–	POSIX.1-2024 ↗
alarm	✓Implemented	–	POSIX.1-2024 ↗
chdir	✓Implemented	–	POSIX.1-2024 ↗
chown	✓Implemented	–	POSIX.1-2024 ↗
chroot	✓Implemented	–	POSIX.1-2024 ↗
close	✓Implemented	–	POSIX.1-2024 ↗
confstr	✓Implemented	–	POSIX.1-2024 ↗
crypt	–Not Implemented	–	POSIX.1-2024 ↗
dup	✓Implemented	–	POSIX.1-2024 ↗
dup2	✓Implemented	–	POSIX.1-2024 ↗
dup3	✓Implemented	–	POSIX.1-2024 ↗
encrypt	–Not Implemented	–	POSIX.1-2024 ↗
execl	✓Implemented	–	POSIX.1-2024 ↗
execle	✓Implemented	–	POSIX.1-2024 ↗
execlp	✓Implemented	–	POSIX.1-2024 ↗
execv	✓Implemented	–	POSIX.1-2024 ↗
execve	✓Implemented	–	POSIX.1-2024 ↗
execvp	✓Implemented	–	POSIX.1-2024 ↗
execvpe	✓Implemented	–	–
faccessat	✓Implemented	–	POSIX.1-2024 ↗
fchdir	✓Implemented	–	POSIX.1-2024 ↗
fchown	✓Implemented	–	POSIX.1-2024 ↗
fchownat	✓Implemented	–	POSIX.1-2024 ↗
fdatasync	✓Implemented	–	POSIX.1-2024 ↗
fexecve	✓Implemented	–	POSIX.1-2024 ↗
fork	✓Implemented	–	POSIX.1-2024 ↗
fpathconf	✓Implemented	–	POSIX.1-2024 ↗
fsync	✓Implemented	–	POSIX.1-2024 ↗
ftruncate	✓Implemented	–	POSIX.1-2024 ↗
getcwd	✓Implemented	–	POSIX.1-2024 ↗
getegid	✓Implemented	–	POSIX.1-2024 ↗
getentropy	✓Implemented	–	POSIX.1-2024 ↗
geteuid	✓Implemented	–	POSIX.1-2024 ↗
getgid	✓Implemented	–	POSIX.1-2024 ↗
getgroups	✓Implemented	–	POSIX.1-2024 ↗
gethostid	–Not Implemented	–	POSIX.1-2024 ↗
gethostname	✓Implemented	–	POSIX.1-2024 ↗
getlogin	–Not Implemented	–	POSIX.1-2024 ↗
getlogin_r	–Not Implemented	–	POSIX.1-2024 ↗
getopt	✓Implemented	–	POSIX.1-2024 ↗
getpagesize	✓Implemented	–	POSIX.1-2024 ↗
getpgid	✓Implemented	–	POSIX.1-2024 ↗
getpgrp	✓Implemented	–	POSIX.1-2024 ↗
getpid	✓Implemented	–	POSIX.1-2024 ↗
getppid	✓Implemented	–	POSIX.1-2024 ↗
getresgid	✓Implemented	–	POSIX.1-2024 ↗
getresuid	✓Implemented	–	POSIX.1-2024 ↗
getsid	✓Implemented	–	POSIX.1-2024 ↗
getuid	✓Implemented	–	POSIX.1-2024 ↗
isatty	✓Implemented	–	POSIX.1-2024 ↗
lchown	✓Implemented	–	POSIX.1-2024 ↗
link	✓Implemented	–	POSIX.1-2024 ↗
linkat	✓Implemented	–	POSIX.1-2024 ↗
lockf	✓Implemented	–	POSIX.1-2024 ↗
lseek	✓Implemented	–	POSIX.1-2024 ↗
nice	✓Implemented	–	POSIX.1-2024 ↗
pathconf	✓Implemented	–	POSIX.1-2024 ↗
pause	✓Implemented	–	POSIX.1-2024 ↗
pipe	✓Implemented	–	POSIX.1-2024 ↗
pipe2	✓Implemented	–	POSIX.1-2024 ↗
posix_close	–Not Implemented	–	POSIX.1-2024 ↗
pread	✓Implemented	–	POSIX.1-2024 ↗
pwrite	✓Implemented	–	POSIX.1-2024 ↗
read	✓Implemented	–	POSIX.1-2024 ↗
readlink	✓Implemented	–	POSIX.1-2024 ↗
readlinkat	✓Implemented	–	POSIX.1-2024 ↗
rmdir	✓Implemented	–	POSIX.1-2024 ↗
setegid	✓Implemented	–	POSIX.1-2024 ↗
seteuid	✓Implemented	–	POSIX.1-2024 ↗
setgid	✓Implemented	–	POSIX.1-2024 ↗
setpgid	✓Implemented	–	POSIX.1-2024 ↗
setregid	✓Implemented	–	POSIX.1-2024 ↗
setresgid	✓Implemented	–	POSIX.1-2024 ↗
setresuid	✓Implemented	–	POSIX.1-2024 ↗
setreuid	✓Implemented	–	POSIX.1-2024 ↗
setsid	✓Implemented	–	POSIX.1-2024 ↗
setuid	✓Implemented	–	POSIX.1-2024 ↗
sleep	✓Implemented	–	POSIX.1-2024 ↗
swab	✓Implemented	–	POSIX.1-2024 ↗
symlink	✓Implemented	–	POSIX.1-2024 ↗
symlinkat	✓Implemented	–	POSIX.1-2024 ↗
sync	✓Implemented	–	POSIX.1-2024 ↗
sysconf	✓Implemented	–	POSIX.1-2024 ↗
tcgetpgrp	✓Implemented	–	POSIX.1-2024 ↗
tcsetpgrp	✓Implemented	–	POSIX.1-2024 ↗
truncate	✓Implemented	–	POSIX.1-2024 ↗
ttyname	–Not Implemented	–	POSIX.1-2024 ↗
ttyname_r	–Not Implemented	–	POSIX.1-2024 ↗
unlink	✓Implemented	–	POSIX.1-2024 ↗
unlinkat	✓Implemented	–	POSIX.1-2024 ↗
write	✓Implemented	–	POSIX.1-2024 ↗