[ A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Index ]

S

• sact — print current SCCS file-editing activity (DEVELOPMENT)
• scalbln(), scalblnf, scalblnl, scalbn, scalbnf, scalbnl — compute exponent using FLT_RADIX
• scalblnf(), scalbln, scalblnl, scalbn, scalbnf, scalbnl — compute exponent using FLT_RADIX
• scalblnl(), scalbln, scalblnf, scalbn, scalbnf, scalbnl — compute exponent using FLT_RADIX
• scalbn(), scalbln, scalblnf, scalblnl, scalbnf, scalbnl — compute exponent using FLT_RADIX
• scalbnf(), scalbln, scalblnf, scalblnl, scalbn, scalbnl — compute exponent using FLT_RADIX
• scalbnl(), scalbln, scalblnf, scalblnl, scalbn, scalbnf — compute exponent using FLT_RADIX
• scandir(), alphasort — scan a directory
• scanf(), fscanf, sscanf — convert formatted input
• sccs — front end for the SCCS subsystem (DEVELOPMENT)
• sched.h — execution scheduling
• sched_getparam() — get scheduling parameters (REALTIME)
• sched_getscheduler() — get scheduling policy (REALTIME)
• sched_get_priority_max(), sched_get_priority_min — get priority limits (REALTIME)
• sched_get_priority_min(), sched_get_priority_max — get priority limits (REALTIME)
• sched_rr_get_interval() — get execution time limits (REALTIME)
• sched_setparam() — set scheduling parameters (REALTIME)
• sched_setscheduler() — set scheduling policy and parameters (REALTIME)
• sched_yield() — yield the processor
• search.h — search tables
• secure_getenv(), getenv — get value of an environment variable
• sed — stream editor
• seed48(), drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, srand48 — generate uniformly distributed pseudo-random numbers
• seekdir() — set the position of a directory stream
• select(), pselect — synchronous I/O multiplexing
• semaphore.h — semaphores
• semctl() — XSI semaphore control operations
• semget() — get set of XSI semaphores
• semop() — XSI semaphore operations
• sem_clockwait(), sem_timedwait — lock a semaphore
• sem_close() — close a named semaphore
• sem_destroy() — destroy an unnamed semaphore
• sem_getvalue() — get the value of a semaphore
• sem_init() — initialize an unnamed semaphore
• sem_open() — initialize and open a named semaphore
• sem_post() — unlock a semaphore
• sem_timedwait(), sem_clockwait — lock a semaphore
• sem_trywait(), sem_wait — lock a semaphore
• sem_unlink() — remove a named semaphore
• sem_wait(), sem_trywait — lock a semaphore
• send() — send a message on a socket
• sendmsg() — send a message on a socket using a message structure
• sendto() — send a message on a socket
• set — set or unset options and positional parameters
• setbuf() — assign buffering to a stream
• setegid() — set the effective group ID
• setenv() — add or change environment variable
• seteuid() — set effective user ID
• setgid() — set-group-ID
• setgrent(), endgrent, getgrent — group database entry functions
• sethostent(), endhostent, gethostent — network host database functions
• setjmp() — set jump point for a non-local goto
• setjmp.h — stack environment declarations
• setkey() — set encoding key (CRYPT)
• setlocale() — set program locale
• setlogmask(), closelog, openlog, syslog — control system log
• setnetent(), endnetent, getnetbyaddr, getnetbyname, getnetent — network database functions
• setpgid() — set process group ID for job control
• setpriority(), getpriority — get and set the nice value
• setprotoent(), endprotoent, getprotobyname, getprotobynumber, getprotoent — network protocol database functions
• setpwent(), endpwent, getpwent — user database functions
• setregid() — set real and effective group IDs
• setresgid() — set real group ID, effective group ID, and saved set-group-ID
• setresuid() — set real user ID, effective user ID, and saved set-user-ID
• setreuid() — set real and effective user IDs
• setrlimit(), getrlimit — control maximum resource consumption
• setservent(), endservent, getservbyname, getservbyport, getservent — network services database functions
• setsid() — create session and set process group ID
• setsockopt() — set the socket options
• setstate(), initstate, random, srandom — pseudo-random number functions
• setuid() — set user ID
• setutxent(), endutxent, getutxent, getutxid, getutxline, pututxline — user accounting database functions
• setvbuf() — assign buffering to a stream
• sh — shell, the standard command language interpreter
• shift — shift positional parameters
• shmat() — XSI shared memory attach operation
• shmctl() — XSI shared memory control operations
• shmdt() — XSI shared memory detach operation
• shmget() — get an XSI shared memory segment
• shm_open() — open a shared memory object (REALTIME)
• shm_unlink() — remove a shared memory object (REALTIME)
• shutdown() — shut down socket send and receive operations
• sig2str(), str2sig — translate between signal names and numbers
• sigaction() — examine and change a signal action
• sigaddset() — add a signal to a signal set
• sigaltstack() — set and get signal alternate stack context
• sigdelset() — delete a signal from a signal set
• sigemptyset() — initialize and empty a signal set
• sigfillset() — initialize and fill a signal set
• sigismember() — test for a signal in a signal set
• siglongjmp() — non-local goto with signal handling
• signal() — signal management
• signal.h — signals
• signbit() — test sign
• signgam, lgamma, lgammaf, lgammal — log gamma function
• sigpending() — examine pending signals
• sigprocmask(), pthread_sigmask — examine and change blocked signals
• sigqueue() — queue a signal to a process
• sigsetjmp() — set jump point for a non-local goto
• sigsuspend() — wait for a signal
• sigtimedwait(), sigwaitinfo — wait for queued signals
• sigwait() — wait for queued signals
• sigwaitinfo(), sigtimedwait — wait for queued signals
• sin(), sinf, sinl — sine function
• sinf(), sin, sinl — sine function
• sinh(), sinhf, sinhl — hyperbolic sine functions
• sinhf(), sinh, sinhl — hyperbolic sine functions
• sinhl(), sinh, sinhf — hyperbolic sine functions
• sinl(), sin, sinf — sine function
• sleep — suspend execution for an interval
• sleep() — suspend execution for an interval of time
• snprintf(), asprintf, dprintf, fprintf, printf, sprintf — print formatted output
• 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
• sort — sort, merge, or sequence check text files
• spawn.h — spawn (ADVANCED REALTIME)
• split — split a file into pieces
• sprintf(), asprintf, dprintf, fprintf, printf, snprintf — print formatted output
• sqrt(), sqrtf, sqrtl — square root function
• sqrtf(), sqrt, sqrtl — square root function
• sqrtl(), sqrt, sqrtf — square root function
• srand(), rand — pseudo-random number generator
• srand48(), drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48 — generate uniformly distributed pseudo-random numbers
• srandom(), initstate, random, setstate — pseudo-random number functions
• sscanf(), fscanf, scanf — convert formatted input
• stat(), fstatat, lstat — get file status
• statvfs(), fstatvfs — get file system information
• stdalign.h — alignment macros
• stdarg.h — handle variable argument list
• stdatomic.h — atomics
• stdbool.h — boolean type and values
• stddef.h — standard type definitions
• stderr, stdin, stdout — standard I/O streams
• stdin, stderr, stdout — standard I/O streams
• stdint.h — integer types
• stdio.h — standard buffered input/output
• stdlib.h — standard library definitions
• stdnoreturn.h — noreturn macro
• stdout, stderr, stdin — standard I/O streams
• stpcpy(), strcpy — copy a string
• stpncpy(), strncpy — copy fixed length string, returning a pointer to the array end
• str2sig(), sig2str — translate between signal names and numbers
• strcasecmp(), strcasecmp_l, strncasecmp, strncasecmp_l — case-insensitive string comparisons
• strcasecmp_l(), strcasecmp, strncasecmp, strncasecmp_l — case-insensitive string comparisons
• strcat() — concatenate two strings
• strchr() — string scanning operation
• strcmp() — compare two strings
• strcoll(), strcoll_l — string comparison using collating information
• strcoll_l(), strcoll — string comparison using collating information
• strcpy(), stpcpy — copy a string
• strcspn() — get the length of a complementary substring
• strdup(), strndup — duplicate a specific number of bytes from a string
• strerror(), strerror_l, strerror_r — get error message string
• strerror_l(), strerror, strerror_r — get error message string
• strerror_r(), strerror, strerror_l — get error message string
• strfmon(), strfmon_l — convert monetary value to a string
• strfmon_l(), strfmon — convert monetary value to a string
• strftime(), strftime_l — convert date and time to a string
• strftime_l(), strftime — convert date and time to a string
• string.h — string operations
• strings — find printable strings in files
• strings.h — string operations
• strip — remove unnecessary information from strippable files (DEVELOPMENT)
• strlcat(), strlcpy — size-bounded string concatenation and copying
• strlcpy(), strlcat — size-bounded string concatenation and copying
• strlen(), strnlen — get length of fixed size string
• strncasecmp(), strcasecmp, strcasecmp_l, strncasecmp_l — case-insensitive string comparisons
• strncasecmp_l(), strcasecmp, strcasecmp_l, strncasecmp — case-insensitive string comparisons
• strncat() — concatenate a string with part of another
• strncmp() — compare part of two strings
• strncpy(), stpncpy — copy fixed length string, returning a pointer to the array end
• strndup(), strdup — duplicate a specific number of bytes from a string
• strnlen(), strlen — get length of fixed size string
• strpbrk() — scan a string for a byte
• strptime() — date and time conversion
• strrchr() — string scanning operation
• strsignal() — get signal message string
• strspn() — get length of a substring
• strstr() — find a substring
• strtod(), strtof, strtold — convert a string to a double-precision number
• strtof(), strtod, strtold — convert a string to a double-precision number
• strtoimax(), strtoumax — convert string to integer type
• strtok(), strtok_r — split string into tokens
• strtok_r(), strtok — split string into tokens
• strtol(), strtoll — convert a string to a long integer
• strtold(), strtod, strtof — convert a string to a double-precision number
• strtoll(), strtol — convert a string to a long integer
• strtoul(), strtoull — convert a string to an unsigned long
• strtoull(), strtoul — convert a string to an unsigned long
• strtoumax(), strtoimax — convert string to integer type
• strxfrm(), strxfrm_l — string transformation
• strxfrm_l(), strxfrm — string transformation
• stty — set the options for a terminal
• swab() — swap bytes
• swprintf(), fwprintf, wprintf — print formatted wide-character output
• swscanf(), fwscanf, wscanf — convert formatted wide-character input
• symlink(), symlinkat — make a symbolic link
• symlinkat(), symlink — make a symbolic link
• sync() — schedule file system updates
• sys/ipc.h — XSI interprocess communication access structure
• sys/mman.h — memory management declarations
• sys/msg.h — XSI message queue structures
• sys/resource.h — definitions for resource operations
• sys/select.h — select types
• sys/sem.h — XSI semaphore facility
• sys/shm.h — XSI shared memory facility
• sys/socket.h — main sockets header
• sys/stat.h — data returned by the stat() function
• sys/statvfs.h — VFS File System information structure
• sys/time.h — time types
• sys/times.h — file access and modification times structure
• sys/types.h — data types
• sys/uio.h — definitions for vector I/O operations
• sys/un.h — definitions for UNIX domain sockets
• sys/utsname.h — system name structure
• sys/wait.h — declarations for waiting
• sysconf() — get configurable system variables
• syslog(), closelog, openlog, setlogmask — control system log
• syslog.h — definitions for system error logging
• system() — issue a command

• 3.319 Saved Resource Limits
• 3.320 Saved Set-Group-ID
• 3.321 Saved Set-User-ID
• 3.322 Scheduling
• 3.323 Scheduling Allocation Domain
• 3.324 Scheduling Contention Scope
• 3.325 Scheduling Policy
• 3.326 Screen
• 3.327 Scroll
• 3.328 Semaphore
• 3.329 Session
• 3.330 Session Leader
• 3.331 Session Lifetime
• 3.332 Shared Memory Object
• 3.333 Shell
• 3.334 Shell, the
• 3.335 Shell Script
• 3.336 Signal
• 3.337 Signal Stack
• 3.338 Single-Quote Character
• 3.339 Single-Threaded Process
• 3.340 Single-Threaded Program
• 3.341 Slash Character (<slash>)
• 3.342 Socket
• 3.343 Socket Address
• 3.344 Soft Limit
• 3.345 Source Code
• 3.346 Space Character (<space>)
• 3.347 Sparse File
• 3.348 Spawn
• 3.349 Special Built-In Utility (or Special Built-In)
• 3.350 Special Parameter
• 3.351 Spin Lock
• 3.352 Sporadic Server
• 3.353 Standard Error
• 3.354 Standard Input
• 3.355 Standard Output
• 3.356 Standard Utilities
• 3.357 Stream
• 3.358 String
• 3.359 Subshell
• 3.360 Successfully Transferred
• 3.361 Supplementary Group ID
• 3.362 Suspended Job
• 3.363 Symbolic Constant
• 3.364 Symbolic Link
• 3.365 Synchronization Operation
• 3.366 Synchronized Input and Output
• 3.367 Synchronized I/O Completion
• 3.368 Synchronized I/O Data Integrity Completion
• 3.369 Synchronized I/O File Integrity Completion
• 3.370 Synchronized I/O Operation
• 3.371 Synchronous I/O Operation
• 3.372 Synchronously-Generated Signal
• 3.373 System
• 3.374 System Boot
• 3.375 System Clock
• 3.376 System Console
• 3.377 System Crash
• 3.378 System Databases
• 3.379 System Documentation
• 3.380 System Process
• 3.381 System Reboot
• 3.382 System-Wide
• 4.18 Scheduling Policy
• 4.19 Seconds Since the Epoch
• 4.20 Semaphore
• 4.21 Special Device Drivers