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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <link type="text/css" rel="stylesheet" href="style.css"><!-- Copyright 2001 The Open Group, All Rights Reserved --> <title>Alphabetical Index - S </title></head> <body bgcolor=white><center> <font size=2> The Open Group Base Specifications Issue 6<br>IEEE Std 1003.1, 2003 Edition<br>Copyright © 2001-2003 The IEEE and The Open Group</font><hr size=2 noshade></center><P>[<a href="ia.html">A</A>|<a href="ib.html">B</A>|<a href="ic.html">C</A>|<a href="id.html">D</A>|<a href="ie.html">E</A>|<a href="if.html">F</A>|<a href="ig.html">G</A>|<a href="ih.html">H</A>|<a href="ii.html">I</A>|<a href="ij.html">J</A>|<a href="ik.html">K</A>|<a href="il.html">L</A>|<a href="im.html">M</A>|<a href="in.html">N</A>|<a href="io.html">O</A>|<a href="ip.html">P</A>|<a href="iq.html">Q</A>|<a href="ir.html">R</A>|<a href="is.html">S</A>|<a href="it.html">T</A>|<a href="iu.html">U</A>|<a href="iv.html">V</A>|<a href="iw.html">W</A>|<a href="ix.html">X</A>|<a href="iy.html">Y</A>|<a href="iz.html">Z</A>|<a href="index.html"> Index </a> ] </P><p><h3><font face="Helvetica"><IMG ALIGN=TOP SRC="../images/index.gif" ALT="">S</H1></font></h3><UL><li><a href="../utilities/sact.html">sact</a> - print current SCCS file-editing activity (<b>DEVELOPMENT</b>) <li><a href="../functions/scalbln.html">scalbln()</a>, scalblnf, scalblnl, scalbn, scalbnf, scalbnl, - compute exponent using FLT_RADIX <li><a href="../functions/scalb.html">scalb()</a> - load exponent of a radix-independent floating-point number <li><a href="../functions/scalbn.html">scalbn()</a>, scalbnf, scalbnl, - compute exponent using FLT_RADIX <li><a href="../functions/scanf.html">scanf()</a> - convert formatted input <li><a href="../utilities/sccs.html">sccs</a> - front end for the SCCS subsystem (<b>DEVELOPMENT</b>) <li><a href="../functions/sched_getparam.html">sched_getparam()</a> - get scheduling parameters (<b>REALTIME</b>) <li><a href="../functions/sched_get_priority_max.html">sched_get_priority_max()</a>, sched_get_priority_min - get priority limits (<b>REALTIME</b>) <li><a href="../functions/sched_getscheduler.html">sched_getscheduler()</a> - get scheduling policy (<b>REALTIME</b>) <li><a href="../basedefs/sched.h.html">sched.h</a> - execution scheduling (<b>REALTIME</b>) <li><a href="../functions/sched_rr_get_interval.html">sched_rr_get_interval()</a> - get execution time limits (<b>REALTIME</b>) <li><a href="../functions/sched_setparam.html">sched_setparam()</a> - set scheduling parameters (<b>REALTIME</b>) <li><a href="../functions/sched_setscheduler.html">sched_setscheduler()</a> - set scheduling policy and parameters (<b>REALTIME</b>) <li><a href="../functions/sched_yield.html">sched_yield()</a> - yield processor <li><a href="../basedefs/search.h.html">search.h</a> - search tables <li><a href="../utilities/sed.html">sed</a> - stream editor <li><a href="../functions/seed48.html">seed48()</a> - seed uniformly distributed pseudo-random non-negative long integer generator <li><a href="../functions/seekdir.html">seekdir()</a> - set position of directory stream <li><a href="../functions/select.html">select()</a> - synchronous I/O multiplexing <li><a href="../basedefs/semaphore.h.html">semaphore.h</a> - semaphores (<b>REALTIME</b>) <li><a href="../functions/sem_close.html">sem_close()</a> - close a named semaphore (<b>REALTIME</b>) <li><a href="../functions/semctl.html">semctl()</a> - XSI semaphore control operations <li><a href="../functions/sem_destroy.html">sem_destroy()</a> - destroy an unnamed semaphore (<b>REALTIME</b>) <li><a href="../functions/semget.html">semget()</a> - get set of XSI semaphores <li><a href="../functions/sem_getvalue.html">sem_getvalue()</a> - get the value of a semaphore (<b>REALTIME</b>) <li><a href="../functions/sem_init.html">sem_init()</a> - initialize an unnamed semaphore (<b>REALTIME</b>) <li><a href="../functions/sem_open.html">sem_open()</a> - initialize and open a named semaphore (<b>REALTIME</b>) <li><a href="../functions/semop.html">semop()</a> - XSI semaphore operations <li><a href="../functions/sem_post.html">sem_post()</a> - unlock a semaphore (<b>REALTIME</b>) <li><a href="../functions/sem_timedwait.html">sem_timedwait()</a> - lock a semaphore (<b>ADVANCED REALTIME</b>) <li><a href="../functions/sem_trywait.html">sem_trywait()</a>, sem_wait - lock a semaphore (<b>REALTIME</b>) <li><a href="../functions/sem_unlink.html">sem_unlink()</a> - remove a named semaphore (<b>REALTIME</b>) <li><a href="../functions/sem_wait.html">sem_wait()</a> - lock a semaphore (<b>REALTIME</b>) <li><a href="../functions/sendmsg.html">sendmsg()</a> - send a message on a socket using a message structure <li><a href="../functions/send.html">send()</a> - send a message on a socket <li><a href="../functions/sendto.html">sendto()</a> - send a message on a socket <li><a href="../utilities/set.html">set</a> - set or unset options and positional parameters <li><a href="../functions/setbuf.html">setbuf()</a> - assign buffering to a stream <li><a href="../functions/setcontext.html">setcontext()</a> - set current user context <li><a href="../functions/setegid.html">setegid()</a> - set effective group ID <li><a href="../functions/setenv.html">setenv()</a> - add or change environment variable <li><a href="../functions/seteuid.html">seteuid()</a> - set effective user ID <li><a href="../functions/setgid.html">setgid()</a> - set-group-ID <li><a href="../functions/setgrent.html">setgrent()</a> - reset group database to first entry <li><a href="../functions/sethostent.html">sethostent()</a> - network host database functions <li><a href="../functions/setitimer.html">setitimer()</a> - set value of interval timer <li><a href="../basedefs/setjmp.h.html">setjmp.h</a> - stack environment declarations <li><a href="../functions/setjmp.html">setjmp()</a> - set jump point for a non-local goto <li><a href="../functions/setkey.html">setkey()</a> - set encoding key (<b>CRYPT</b>) <li><a href="../functions/setlocale.html">setlocale()</a> - set program locale <li><a href="../functions/setlogmask.html">setlogmask()</a> - set log priority mask <li><a href="../functions/setnetent.html">setnetent()</a> - network database function <li><a href="../functions/setpgid.html">setpgid()</a> - set process group ID for job control <li><a href="../functions/setpgrp.html">setpgrp()</a> - set process group ID <li><a href="../functions/setpriority.html">setpriority()</a> - set the nice value <li><a href="../functions/setprotoent.html">setprotoent()</a> - network protocol database functions <li><a href="../functions/setpwent.html">setpwent()</a> - user database function <li><a href="../functions/setregid.html">setregid()</a> - set real and effective group IDs <li><a href="../functions/setreuid.html">setreuid()</a> - set real and effective user IDs <li><a href="../functions/setrlimit.html">setrlimit()</a> - control maximum resource consumption <li><a href="../functions/setservent.html">setservent()</a> - network services database functions <li><a href="../functions/setsid.html">setsid()</a> - create session and set process group ID <li><a href="../functions/setsockopt.html">setsockopt()</a> - set the socket options <li><a href="../functions/setstate.html">setstate()</a> - switch pseudo-random number generator state arrays <li><a href="../functions/setuid.html">setuid()</a> - set user ID <li><a href="../functions/setutxent.html">setutxent()</a> - reset user accounting database to first entry <li><a href="../functions/setvbuf.html">setvbuf()</a> - assign buffering to a stream <li><a href="../utilities/shift.html">shift</a> - shift positional parameters<li><a href="../functions/shmat.html">shmat()</a> - XSI shared memory attach operation <li><a href="../functions/shmctl.html">shmctl()</a> - XSI shared memory control operations <li><a href="../functions/shmdt.html">shmdt()</a> - XSI shared memory detach operation <li><a href="../functions/shmget.html">shmget()</a> - get XSI shared memory segment <li><a href="../functions/shm_open.html">shm_open()</a> - open a shared memory object (<b>REALTIME</b>) <li><a href="../functions/shm_unlink.html">shm_unlink()</a> - remove a shared memory object (<b>REALTIME</b>) <li><a href="../utilities/sh.html">sh</a> - shell, the standard command language interpreter <li><a href="../functions/shutdown.html">shutdown()</a> - shut down socket send and receive operations <li><a href="../functions/sigaction.html">sigaction()</a> - examine and change signal action <li><a href="../functions/sigaddset.html">sigaddset()</a> - add a signal to a signal set <li><a href="../functions/sigaltstack.html">sigaltstack()</a> - set and get signal alternate stack context <li><a href="../functions/sigdelset.html">sigdelset()</a> - delete a signal from a signal set <li><a href="../functions/sigemptyset.html">sigemptyset()</a> - initialize and empty a signal set <li><a href="../functions/sigfillset.html">sigfillset()</a> - initialize and fill a signal set <li><a href="../functions/sighold.html">sighold()</a>, sigignore, sigpause, sigrelse, sigset - signal management <li><a href="../functions/sigignore.html">sigignore()</a> - signal management <li><a href="../functions/siginterrupt.html">siginterrupt()</a> - allow signals to interrupt functions <li><a href="../functions/sigismember.html">sigismember()</a> - test for a signal in a signal set <li><a href="../functions/siglongjmp.html">siglongjmp()</a> - non-local goto with signal handling <li><a href="../basedefs/signal.h.html">signal.h</a> - signals <li><a href="../functions/signal.html">signal()</a> - signal management <li><a href="../functions/signbit.html">signbit()</a> - test sign <li><a href="../functions/sigpause.html">sigpause()</a> - remove a signal from the signal mask and suspend the thread <li><a href="../functions/sigpending.html">sigpending()</a> - examine pending signals <li><a href="../functions/sigprocmask.html">sigprocmask()</a> - examine and change blocked signals <li><a href="../functions/sigqueue.html">sigqueue()</a> - queue a signal to a process (<b>REALTIME</b>) <li><a href="../functions/sigrelse.html">sigrelse()</a> - remove a signal from signal mask or modify signal disposition <li><a href="../functions/sigsetjmp.html">sigsetjmp()</a> - set jump point for a non-local goto <li><a href="../functions/sigset.html">sigset()</a> - signal management <li><a href="../functions/sigsuspend.html">sigsuspend()</a> - wait for a signal <li><a href="../functions/sigtimedwait.html">sigtimedwait()</a>, sigwaitinfo - wait for queued signals (<b>REALTIME</b>) <li><a href="../functions/sigwaitinfo.html">sigwaitinfo()</a> - wait for queued signals (<b>REALTIME</b>) ⌨️ 快捷键说明
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