| API component |
Description |
| 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 |
| SchedCtl(), SchedCtl_r() |
Control the adaptive partitioning scheduler |
| 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 |
| set_lowest_fd() |
Specify the lowest acceptable file descriptor |
| 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 |
| setlogmask() |
Set the system log priority mask |
| setnetent() |
Open the network name database file |
| setpgid() |
Join or create a process group |
| setpgrp() |
Set the process group |
| setprio() |
Set the priority of a process |
| 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 |
| settimeofday() |
Set the time and date |
| 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 |
| shutdown_system() |
Shut down the system |
| 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 |
| slog2c() |
Log a constant string in a slog2 buffer |
| slog2f() |
Log a printf-style string in a slog2 buffer |
| slog2fa() |
Log a printf-style string in a slog2 buffer |
| slog2_get_verbosity() |
Get the verbosity level of the entire buffer set |
| slog2_register() |
Register and allocate a new slog2 buffer set |
| slog2_reset() |
Reset the state of slogger2 for the process |
| slog2_set_default_buffer() |
Set the default slog2 logging buffer |
| slog2_set_verbosity() |
Set the verbosity level for the entire buffer set |
| 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 |
| snmp_close() |
Close an SNMP session |
| snmp_free_pdu() |
Free an SNMP Protocol Data Unit message structure |
| snmp_open() |
Open an SNMP session |
| snmp_pdu |
Structure that describes an SNMP Protocol Data Unit (transaction) |
| snmp_pdu_create() |
Create an SNMP Protocol Data Unit message structure |
| snmp_read() |
Read an SNMP message |
| snmp_select_info() |
Get information that select() needs for SNMP |
| snmp_send() |
Send SNMP messages |
| snmp_session |
Structure that defines a set of transactions with similar transport characteristics |
| snmp_timeout() |
Time out during an SNMP session |
| 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 |
| SOCKSinit() |
Initialize a connection with a SOCKS server |
| 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 |
| syslog() |
Write a message to the system log |
| sysmgr_reboot() |
Reboot the system |
| sysmgr_runstate(), sysmgr_runstate_dynamic() |
Change the runstate of a processor |
| sysmgr_runstate_burst() |
Ask the system to turn on dynamically offlined CPUs |
| 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 |