📦 man-pages-posix

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• _Exit(3p)terminate a process✨
• _longjmp(3p)non-local goto✨
• _tolower(3p)transliterate uppercase characters to lowercase✨
• _toupper(3p)transliterate lowercase characters to uppercase✨

A

• a64l(3p)convert between a 32-bit integer and a radix-64 ASCII string✨
• abort(3p)generate an abnormal process abort✨
• abs(3p)return an integer absolute value✨
• accept(3p)accept a new connection on a socket✨
• access(3p)determine accessibility of a file descriptor✨
• acos(3p)arc cosine functions✨
• acosh(3p)inverse hyperbolic cosine functions✨
• acosl(3p)arc cosine functions✨
• admin(1p)create and administer SCCS files (DEVELOPMENT)✨
• aio.h(0p)asynchronous input and output✨
• aio_cancel(3p)cancel an asynchronous I/O request✨
• aio_error(3p)retrieve errors status for an asynchronous I/O operation✨
• aio_fsync(3p)asynchronous file synchronization✨
• aio_read(3p)asynchronous read from a file✨
• aio_return(3p)retrieve return status of an asynchronous I/O operation✨
• aio_suspend(3p)wait for an asynchronous I/O request✨
• aio_write(3p)asynchronous write to a file✨
• alarm(3p)schedule an alarm signal✨
• alias(1p)define or display aliases✨
• alphasort(3p)scan a directory✨
• ar(1p)create and maintain library archives✨
• arpa_inet.h(0p)definitions for internet operations✨
• asa(1p)interpret carriage-control characters✨
• asctime(3p)convert date and time to a string✨
• asin(3p)arc sine function✨
• asinh(3p)inverse hyperbolic sine functions✨
• asinl(3p)arc sine function✨
• assert(3p)insert program diagnostics✨
• assert.h(0p)verify program assertion✨
• at(1p)execute commands at a later time✨
• atan(3p)arc tangent function✨
• atan2(3p)arc tangent functions✨
• atanf(3p)arc tangent function✨
• atanh(3p)inverse hyperbolic tangent functions✨
• atanl(3p)arc tangent function✨
• atexit(3p)register a function to run at process termination✨
• atof(3p)convert a string to a double-precision number✨
• atoi(3p)convert a string to an integer✨
• atol(3p)convert a string to a long integer✨
• awk(1p)pattern scanning and processing language✨

B

• basename(1p)return non-directory portion of a pathname✨
• basename(3p)return the last component of a pathname✨
• batch(1p)schedule commands to be executed in a batch queue✨
• bc(1p)arbitrary-precision arithmetic language✨
• bg(1p)run jobs in the background✨
• bind(3p)bind a name to a socket✨
• break(1p)exit from for, while, or until loop✨
• bsearch(3p)binary search a sorted table✨
• btowc(3p)single byte to wide character conversion✨

C

• c99(1p)compile standard C programs✨
• cabs(3p)return a complex absolute value✨
• cacos(3p)complex arc cosine functions✨
• cacosh(3p)complex arc hyperbolic cosine functions✨
• cacosl(3p)complex arc cosine functions✨
• cal(1p)print a calendar✨
• calloc(3p)a memory allocator✨
• carg(3p)complex argument functions✨
• casin(3p)complex arc sine functions✨
• casinh(3p)complex arc hyperbolic sine functions✨
• casinl(3p)complex arc sine functions✨
• cat(1p)concatenate and print files✨
• catan(3p)complex arc tangent functions✨
• catanh(3p)complex arc hyperbolic tangent functions✨
• catanl(3p)complex arc tangent functions✨
• catclose(3p)close a message catalog descriptor✨
• catgets(3p)read a program message✨
• catopen(3p)open a message catalog✨
• cbrt(3p)cube root functions✨
• ccos(3p)complex cosine functions✨
• ccosh(3p)complex hyperbolic cosine functions✨
• ccosl(3p)complex cosine functions✨
• cd(1p)change the working directory✨
• ceil(3p)ceiling value function✨
• cexp(3p)complex exponential functions✨
• cfgetispeed(3p)get input baud rate✨
• cfgetospeed(3p)get output baud rate✨
• cflow(1p)generate a C-language flowgraph (DEVELOPMENT)✨
• cfsetispeed(3p)set input baud rate✨
• cfsetospeed(3p)set output baud rate✨
• chdir(3p)change working directory✨
• chgrp(1p)change the file group ownership✨
• chmod(1p)change the file modes✨
• chmod(3p)change mode of a file✨
• chown(1p)change the file ownership✨
• chown(3p)change owner and group of a file✨
• cimag(3p)complex imaginary functions✨
• cksum(1p)write file checksums and sizes✨
• clearerr(3p)clear indicators on a stream✨
• clock(3p)report CPU time used✨
• clock_getcpuclockid(3p)access a process CPU-time clock (ADVANCED REALTIME)✨
• clock_getres(3p)clock and timer functions✨
• clock_nanosleep(3p)high resolution sleep with specifiable clock✨
• clock_settime(3p)clock and timer functions✨
• clog(3p)complex natural logarithm functions✨
• close(3p)close a file descriptor✨
• closedir(3p)close a directory stream✨
• closelog(3p)control system log✨
• cmp(1p)compare two files✨
• colon(1p)null utility✨
• comm(1p)select or reject lines common to two files✨
• command(1p)execute a simple command✨
• complex.h(0p)complex arithmetic✨
• compress(1p)compress data✨
• confstr(3p)get configurable variables✨
• conj(3p)complex conjugate functions✨
• connect(3p)connect a socket✨
• continue(1p)continue for, while, or until loop✨
• copysign(3p)number manipulation function✨
• cos(3p)cosine function✨
• cosh(3p)hyperbolic cosine functions✨
• cosl(3p)cosine function✨
• cp(1p)copy files✨
• cpio.h(0p)cpio archive values✨
• cpow(3p)complex power functions✨
• cproj(3p)complex projection functions✨
• creal(3p)complex real functions✨
• creat(3p)create a new file or rewrite an existing one✨
• crontab(1p)schedule periodic background work✨
• crypt(3p)string encoding function (CRYPT)✨
• csin(3p)complex sine functions✨
• csinh(3p)complex hyperbolic sine functions✨
• csinl(3p)complex sine functions✨
• csplit(1p)split files based on context✨
• csqrt(3p)complex square root functions✨
• ctags(1p)create a tags file (DEVELOPMENT, FORTRAN)✨
• ctan(3p)complex tangent functions✨
• ctanh(3p)complex hyperbolic tangent functions✨
• ctanl(3p)complex tangent functions✨
• ctermid(3p)generate a pathname for the controlling terminal✨
• ctime(3p)convert a time value to a date and time string✨
• ctype.h(0p)character types✨
• cut(1p)cut out selected fields of each line of a file✨
• cxref(1p)generate a C-language program cross-reference table (DEVELOPMENT)✨

D

• date(1p)write the date and time✨
• daylight(3p)daylight savings time flag✨
• dbm_clearerr(3p)database functions✨
• dd(1p)convert and copy a file✨
• delta(1p)make a delta (change) to an SCCS file (DEVELOPMENT)✨
• df(1p)report free disk space✨
• diff(1p)compare two files✨
• difftime(3p)compute the difference between two calendar time values✨
• dirent.h(0p)format of directory entries✨
• dirfd(3p)extract the file descriptor used by a DIR stream✨
• dirname(1p)return the directory portion of a pathname✨
• dirname(3p)report the parent directory name of a file pathname✨
• div(3p)compute the quotient and remainder of an integer division✨
• dlclose(3p)close a symbol table handle✨
• dlerror(3p)get diagnostic information✨
• dlfcn.h(0p)dynamic linking✨
• dlopen(3p)open a symbol table handle✨
• dlsym(3p)get the address of a symbol from a symbol table handle✨
• dot(1p)execute commands in the current environment✨
• dprintf(3p)print formatted output✨
• drand48(3p)generate uniformly distributed pseudo-random numbers✨
• du(1p)estimate file space usage✨
• dup(3p)duplicate an open file descriptor✨
• duplocale(3p)duplicate a locale object✨

E

• echo(1p)write arguments to standard output✨
• ed(1p)edit text✨
• encrypt(3p)encoding function (CRYPT)✨
• endgrent(3p)group database entry functions✨
• endhostent(3p)network host database functions✨
• endnetent(3p)network database functions✨
• endprotoent(3p)network protocol database functions✨
• endpwent(3p)user database functions✨
• endservent(3p)network services database functions✨
• endutxent(3p)user accounting database functions✨
• env(1p)set the environment for command invocation✨
• environ(3p)array of character pointers to the environment strings✨
• erand48(3p)generate uniformly distributed pseudo-random numbers✨
• erf(3p)error functions✨
• erfc(3p)complementary error functions✨
• erff(3p)error functions✨
• errno(3p)error return value✨
• errno.h(0p)system error numbers✨
• eval(1p)construct command by concatenating arguments✨
• ex(1p)text editor✨
• exec(1p)execute commands and open, close, or copy file descriptors✨
• exec(3p)execute a file✨
• exit(1p)cause the shell to exit✨
• exit(3p)terminate a process✨
• exp(3p)exponential function✨
• exp2(3p)exponential base 2 functions✨
• expand(1p)convert tabs to spaces✨
• expm1(3p)compute exponential functions✨
• export(1p)set the export attribute for variables✨
• expr(1p)evaluate arguments as an expression✨

F

• fabs(3p)absolute value function✨
• faccessat(3p)determine accessibility of a file relative to directory file descriptor✨
• false(1p)return false value✨
• fattach(3p)attach a STREAMS-based file descriptor to a file in the file system name space (STREAMS)✨
• fc(1p)process the command history list✨
• fchdir(3p)change working directory✨
• fchmod(3p)change mode of a file✨
• fchmodat(3p)change mode of a file relative to directory file descriptor✨
• fchown(3p)change owner and group of a file✨