S

Related links

• sbrk()

  Set the allocation break value

• scalb()

  Load the exponent of a radix-independent floating point number

• scalbn(), scalbnf()

  Load the exponent of a radix-independent floating point number

• _scalloc()

  Allocate space for an array

• scandir()

  Scan a directory

• scanf()

  Scan formatted input from stdin

• sched_getparam()

  Get the current scheduling parameters of a process

• sched_get_priority_adjust()

  Calculate the allowable priority for the scheduling policy

• sched_get_priority_max()

  Get the maximum priority for the scheduling policy

• sched_get_priority_min()

  Get the minimum priority for the scheduling policy

• sched_getscheduler()

  Get the current scheduling policy for a process

• sched_param

  Structure that describes scheduling parameters

• sched_rr_get_interval()

  Get the execution time limit of a process

• sched_setparam()

  Change the priority of a process

• sched_setscheduler()

  Change the priority and scheduling policy of a process

• sched_yield()

  Yield to other ready threads at the same priority

• SchedGet(), SchedGet_r()

  Get the scheduling policy for a thread

• SchedInfo(), SchedInfo_r()

  Get scheduler information

• SchedSet(), SchedSet_r()

  Set the scheduling policy for a thread

• SchedYield(), SchedYield_r()

  Yield to other threads

• searchenv()

  Search the directories listed in an environment variable

• seed48()

  Initialize the seed for a sequence of pseudo-random numbers

• seekdir()

  Set the position for the next read of the directory stream

• select()

  Check for files that are ready for reading or writing

• select_attach()

  Attach a file descriptor to a dispatch handle

• select_detach()

  Detach a file descriptor from a dispatch handle

• select_query()

  Decode the last select event

• sem_close()

  Close a named semaphore

• sem_destroy()

  Destroy an unnamed semaphore

• sem_getvalue()

  Get the value of a named or unnamed semaphore

• sem_init()

  Initialize an unnamed semaphore

• sem_open()

  Create or access a named semaphore

• sem_post()

  Increment a named or unnamed semaphore

• sem_timedwait(), sem_timedwait_monotonic()

  Wait on a named or unnamed semaphore, with a timeout

• sem_trywait()

  Wait on a named or unnamed semaphore, but don't block

• sem_unlink()

  Destroy a named semaphore

• sem_wait()

  Wait on a named or unnamed semaphore

• send()

  Send a message to a connected socket

• sendmsg()

  Send a message and its header to a socket

• sendto()

  Send a message to a socket at a specific address

• servent

  Structure for information from the services database

• setbuf()

  Associate a buffer with a stream

• setbuffer()

  Assign block buffering to a stream

• setdomainname()

  Set the domain name of the current host

• setegid()

  Set the effective group ID for a process

• setenv()

  Create or change an environment variable

• seteuid()

  Set the effective user ID

• setgid()

  Set the real, effective and saved group IDs

• setfsent()

  Open the filesystem table (/etc/fstab) file

• setgrent()

  Rewind to the start of the group database file

• setgroups()

  Set supplementary group IDs

• sethostent()

  Open the host database file

• sethostname()

  Set the name of the current host

• SETIOV()

  Fill in the fields of an iov_t structure

• setitimer()

  Set the value of an interval timer

• setjmp()

  Save the calling environment for longjmp()

• setkey()

  Set the key used in encryption

• setlinebuf()

  Assign line buffering to a stream

• setlocale()

  Select a program's locale

• setnetent()

  Open the network name database file

• setpgid()

  Join or create a process group

• setpgrp()

  Set the process group

• setprotoent()

  Open the protocol name database file

• setpwent()

  Rewind the password database file

• setregid()

  Set real and effective group IDs

• setreuid()

  Set the real and effective user IDs for the calling process

• setrlimit(), setrlimit64()

  Set the limit on a system resource

• setservent()

  Open the network services database file

• setsid()

  Create a new session

• setsockopt()

  Set options associated with a socket

• setspent()

  Rewind the shadow password database file

• setstate()

  Reset the state of a pseudo-random number generator

• setuid()

  Set the real, effective and saved user IDs

• setutent()

  Return to the beginning of the user-information file

• setvbuf()

  Associate a buffer with a stream

• _sfree()

  Deallocate a block of memory

• shm_ctl()

  Give special attributes to a shared memory object

• shm_ctl_special()

  Give special attributes to a shared memory object

• shm_open()

  Open a shared memory object

• shm_unlink()

  Remove a shared memory object

• shutdown()

  Shut down part of a full-duplex connection

• sigaction()

  Examine or specify the action associated with a signal

• sigaddset()

  Add a signal to a set

• sigblock()

  Add to the mask of signals to block

• sigdelset()

  Delete a signal from a set

• sigemptyset()

  Initialize a set to contain no signals

• sigevent

  Structure that describes an event

• sigfillset()

  Initialize a set to contain all signals

• sigismember()

  See if a given signal is in a given set

• siglongjmp()

  Restore the environment saved by sigsetjmp(), including the signal mask

• sigmask()

  Construct a mask for a signal number

• signal()

  Set handling for exceptional conditions

• SignalAction(), SignalAction_r()

  Examine and/or specify actions for signals

• SignalKill(), SignalKill_r()

  Send a signal to a process group, process, or thread

• SignalProcmask(), SignalProcmask_r()

  Modify or examine the signal-blocked mask of a thread

• SignalSuspend(), SignalSuspend_r()

  Suspend a thread until a signal is received

• SignalWaitinfo(), SignalWaitinfo_r()

  Select a pending signal

• sigpause()

  Wait for a signal

• sigpending()

  Examine the set of pending, masked signals for a process

• sigprocmask()

  Examine or change the signal mask for a thread

• sigqueue()

  Queue a signal to a process

• sigsetjmp()

  Save the environment, including the signal mask

• sigsetmask()

  Set the mask of signals to block

• sigsuspend()

  Replace the signal mask, and then suspend the thread

• sigtimedwait()

  Wait for a signal or a timeout

• sigunblock()

  Unblock signals

• sigwait()

  Wait for a pending signal

• sigwaitinfo()

  Wait for a specified signal and return its information

• sin(), sinf(), sinl()

  Calculate the sine of an angle

• sinh(), sinhf(), sinhl()

  Compute the hyperbolic sine

• sleep()

  Suspend a thread for a given length of time

• _sleepon_broadcast()

  Wake up multiple threads

• _sleepon_destroy()

  Destroy a sleepon

• _sleepon_init()

  Initialize a sleepon

• _sleepon_lock()

  Lock a sleepon

• _sleepon_signal()

  Wake up a single thread

• _sleepon_unlock()

  Unlock a sleepon

• _sleepon_wait()

  Wait on a sleepon lock

• slogb()

  Send a message to the system logger

• slogf()

  Send a message to the system logger

• slogi()

  Send a message to the system logger

• _smalloc()

  Allocate memory in blocks

• snprintf()

  Write formatted output to a character array, up to a given maximum number of characters

• sockatmark()

  Determine whether a socket is at the out-of-band mark

• socket()

  Create an endpoint for communication

• socketpair()

  Create a pair of connected sockets

• sopen()

  Open a file for shared access

• sopenfd()

  Open for shared access a file associated with a given descriptor

• spawn()

  Create and execute a new child process

• spawnl()

  Spawn a child process, given a list of arguments

• spawnle()

  Spawn a child process, given a list of arguments and an environment

• spawnlp()

  Spawn a child process, given a list of arguments and a relative path

• spawnlpe()

  Spawn a child process, given a list of arguments, an environment, and a relative path

• spawnp()

  Create and execute a new child process, given a relative path

• spawnv()

  Spawn a child process, given a vector of arguments

• spawnve()

  Spawn a child process, given a vector of arguments and an environment

• spawnvp()

  Spawn a child process, given a vector of arguments and a relative path

• spawnvpe()

  Spawn a child process, given a vector of arguments, an environment, and a relative path

• sprintf()

  Print formatted output into a string

• sqrt(), sqrtf(), sqrtl()

  Calculate the nonnegative square root of a number

• srand()

  Start a new sequence of pseudo-random integers

• srand48()

  Initialize a sequence of pseudo-random numbers

• srandom()

  Set the seed for a pseudo-random number generator

• _srealloc()

  Allocate, reallocate or free a block of memory

• sscanf()

  Scan input from a character string

• stat(), stat64()

  Get information about a file or directory, given a path

• statvfs(), statvfs64()

  Get filesystem information, given a path

• stderr

  The standard error stream

• stdin

  The standard input stream

• stdout

  The standard output stream

• straddstr()

  Concatenate one string on to the end of another

• strcasecmp()

  Compare two strings, ignoring case

• strcat()

  Concatenate two strings

• strchr()

  Find the first occurrence of a character in a string

• strcmp()

  Compare two strings

• strcmpi()

  Compare two strings, ignoring case

• strcoll()

  Compare two strings, using the locale's collating sequence

• strcpy()

  Copy a string

• strcspn()

  Count the characters at the beginning of a string that aren't in a given character set

• strdup()

  Create a duplicate of a string

• strerror()

  Convert an error number into an error message

• strerror_r()

  Convert an error number into an error message (reentrant)

• strftime()

  Format a time into a string

• stricmp()

  Compare two strings, ignoring case

• strlcat(), strlcpy()

  Size-bounded string copying and concatenation

• strlen()

  Compute the length of a string

• strlwr()

  Convert a string to lowercase

• strncasecmp()

  Compare two strings, ignoring case, up to a given length

• strncat()

  Concatenate two strings, up to a maximum length

• strncmp()

  Compare two strings, up to a given length

• strncpy()

  Copy a string, to a maximum length

• strnicmp()

  Compare two strings up to a given length, ignoring case

• strnset()

  Fill a string with a given character, to a given length

• strpbrk()

  Find the first character in a string that's in a given character set

• strptime()

  Convert a string into a time

• strrchr()

  Find the last occurrence of a character in a string

• strrev()

  Reverse a string

• strsep()

  Separate a string into pieces marked by given delimiters

• strset()

  Fill a string with a given character

• strsignal()

  Return the description of a signal

• strspn()

  Count the characters at the beginning of a string that are in a given character set

• strstr()

  Find one string inside another

• strtod(), strtof(), strtold()

  Convert a string into a double-precision number

• strtoimax(), strtoumax()

  Convert a string into an integer

• strtok()

  Break a string into tokens

• strtok_r()

  Break a string into tokens (reentrant)

• strtol(), strtoll()

  Convert a string into a long integer

• strtoul(), strtoull()

  Convert a string into an unsigned long integer

• strupr()

  Convert a string to uppercase

• strxfrm()

  Transform one string into another, to a given length

• swab()

  Endian-swap a given number of bytes

• swprintf()

  Print formatted wide-character output into a string

• swscanf()

  Scan input from a wide-character string

• symlink()

  Create a symbolic link to a path

• sync()

  Synchronize filesystem updates

• SyncCondvarSignal(), SyncCondvarSignal_r()

  Wake up any threads that are blocked on a synchronization object

• SyncCondvarWait(), SyncCondvarWait_r()

  Block a thread on a synchronization object

• SyncCtl(), SyncCtl_r()

  Perform an operation on a synchronization object

• SyncDestroy(), SyncDestroy_r()

  Destroy a synchronization object

• SyncMutexEvent(), SyncMutexEvent_r()

  Attach an event to a mutex

• SyncMutexLock(), SyncMutexLock_r()

  Lock a mutex synchronization object

• SyncMutexRevive(), SyncMutexRevive_r()

  Revive a mutex that's in the DEAD state

• SyncMutexUnlock(), SyncMutexUnlock_r()

  Unlock a mutex synchronization object

• SyncSemPost(), SyncSemPost_r()

  Increment a semaphore

• SyncSemWait(), SyncSemWait_r()

  Wait on a semaphore

• SyncTypeCreate(), SyncTypeCreate_r()

  Create a synchronization object

• sysconf()

  Return the value of a configurable system limit

• sysctl()

  Get or set information about the socket manager

• sysmgr_reboot()

  Reboot the system

• sysmgr_runstate(), sysmgr_runstate_dynamic()

  Change the runstate of a processor

• SYSPAGE_CPU_ENTRY()

  Return a CPU-specific entry from the system page

• SYSPAGE_ENTRY()

  Return an entry from the system page

• _syspage_ptr

  A pointer to the system page

• system()

  Execute a system command