The Open Group Base Specifications Issue 7
IEEE Std 1003.1-2008
Copyright © 2008 The IEEE and The Open Group, All Rights reserved.

[ 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 ]

### A

- a64l(), l64a - convert between a 32-bit integer and a radix-64 ASCII string
- abort() - generate an abnormal process abort
- abs() - return an integer absolute value
- accept() - accept a new connection on a socket
- access(), faccessat - determine accessibility of a file relative to directory file descriptor
- acos(), acosf, acosl - arc cosine functions
- acosf(), acos, acosl - arc cosine functions
- acosh(), acoshf, acoshl - inverse hyperbolic cosine functions
- acoshf(), acosh, acoshl - inverse hyperbolic cosine functions
- acoshl(), acosh, acoshf - inverse hyperbolic cosine functions
- acosl(), acos, acosf - arc cosine functions
- admin - create and administer SCCS files (DEVELOPMENT)
- aio.h - asynchronous input and output
- aio_cancel() - cancel an asynchronous I/O request
- aio_error() - retrieve errors status for an asynchronous I/O operation
- aio_fsync() - asynchronous file synchronization
- aio_read() - asynchronous read from a file
- aio_return() - retrieve return status of an asynchronous I/O operation
- aio_suspend() - wait for an asynchronous I/O request
- aio_write() - asynchronous write to a file
- alarm() - schedule an alarm signal
- alias - define or display aliases
- alphasort(), scandir - scan a directory
- ar - create and maintain library archives
- arpa/inet.h - definitions for internet operations
- asa - interpret carriage-control characters
- asctime(), asctime_r - convert date and time to a string
- asctime_r(), asctime - convert date and time to a string
- asin(), asinf, asinl - arc sine function
- asinf(), asin, asinl - arc sine function
- asinh(), asinhf, asinhl - inverse hyperbolic sine functions
- asinhf(), asinh, asinhl - inverse hyperbolic sine functions
- asinhl(), asinh, asinhf - inverse hyperbolic sine functions
- asinl(), asin, asinf - arc sine function
- assert() - insert program diagnostics
- assert.h - verify program assertion
- at - execute commands at a later time
- atan(), atanf, atanl - arc tangent function
- atan2(), atan2f, atan2l - arc tangent functions
- atan2f(), atan2, atan2l - arc tangent functions
- atan2l(), atan2, atan2f - arc tangent functions
- atanf(), atan, atanl - arc tangent function
- atanh(), atanhf, atanhl - inverse hyperbolic tangent functions
- atanhf(), atanh, atanhl - inverse hyperbolic tangent functions
- atanhl(), atanh, atanhf - inverse hyperbolic tangent functions
- atanl(), atan, atanf - arc tangent function
- atexit() - register a function to run at process termination
- atof() - convert a string to a double-precision number
- atoi() - convert a string to an integer
- atol(), atoll - convert a string to a long integer
- atoll(), atol - convert a string to a long integer
- awk - pattern scanning and processing language

Topics

- Abortive Release
- Absolute Pathname
- Access Mode
- Additional File Access Control Mechanism
- Address Space
- Advisory Information
- Affirmative Response
- Alert Character (<alert>)
- Alert
- Alias Name
- Alignment
- Alternate File Access Control Mechanism
- Alternate Signal Stack
- Ancillary Data
- Angle Brackets
- Apostrophe Character (<apostrophe>)
- Application Address
- Application Conformance
- Application Program Interface (API)
- Application
- Appropriate Privileges
- Argument
- Arm (a Timer)
- Asterisk Character (<asterisk>)
- Async-Cancel-Safe Function
- Async-Signal-Safe Function
- Asynchronous Events
- Asynchronous I/O Completion
- Asynchronous I/O Operation
- Asynchronous Input and Output
- Asynchronously-Generated Signal
- Authentication
- Authorization