System Interfaces: Detailed ToC

• Introduction
  • Scope
  • Conformance
  • Normative References
  • Change History
  • Terminology
    • can
    • implementation-defined
    • legacy
    • may
    • shall
    • should
    • undefined
    • unspecified
  • Definitions
  • Relationship to Other Formal Standards
  • Portability
    • Codes
  • Format of Entries
• General Information
  • Use and Implementation of Functions
  • The Compilation Environment
    • POSIX.1 Symbols
      • The _POSIX_C_SOURCE Feature Test Macro
      • The _XOPEN_SOURCE Feature Test Macro
    • The Name Space
  • Error Numbers
    • Additional Error Numbers
  • Signal Concepts
    • Signal Generation and Delivery
    • Realtime Signal Generation and Delivery
    • Signal Actions
    • Signal Effects on Other Functions
  • Standard I/O Streams
    • Interaction of File Descriptors and Standard I/O Streams
    • Stream Orientation and Encoding Rules
  • STREAMS
    • Priority
    • Message Parts
    • Accessing STREAMS
  • XSI Interprocess Communication
    • IPC General Description
  • Realtime
    • Realtime Signals
    • Asynchronous I/O
    • Memory Management
      • Memory Locking
      • Memory Mapped Files
      • Memory Protection
      • Typed Memory Objects
    • Process Scheduling
      • Scheduling Policies
      • SCHED_FIFO
      • SCHED_RR
      • SCHED_SPORADIC
      • SCHED_OTHER
    • Clocks and Timers
      • Time Value Specification Structures
      • Timer Event Notification Control Block
      • Manifest Constants
      • Execution Time Monitoring
  • Threads
    • Thread-Safety
    • Thread IDs
    • Thread Mutexes
    • Thread Scheduling
      • Thread Scheduling Attributes
      • Thread Scheduling Contention Scope
      • Scheduling Allocation Domain
      • Scheduling Documentation
    • Thread Cancellation
      • Cancelability States
      • Cancellation Points
      • Thread Cancellation Cleanup Handlers
      • Async-Cancel Safety
    • Thread Read-Write Locks
    • Thread Interactions with Regular File Operations
    • Use of Application-Managed Thread Stacks
    • Footnotes
  • Sockets
    • Address Families
    • Addressing
    • Protocols
    • Routing
    • Interfaces
    • Socket Types
    • Socket I/O Mode
    • Socket Owner
    • Socket Queue Limits
    • Pending Error
    • Socket Receive Queue
    • Socket Out-of-Band Data State
    • Connection Indication Queue
    • Signals
    • Asynchronous Errors
    • Use of Options
    • Use of Sockets for Local UNIX Connections
      • Headers
    • Use of Sockets over Internet Protocols
    • Use of Sockets over Internet Protocols Based on IPv4
      • Headers
    • Use of Sockets over Internet Protocols Based on IPv6
      • Addressing
      • Compatibility with IPv4
      • Interface Identification
      • Options
      • Headers
  • Tracing
    • Tracing Data Definitions
      • Structures
      • posix_trace_status_info Structure
      • posix_trace_event_info Structure
      • Trace Stream Attributes
    • Trace Event Type Definitions
      • System Trace Event Type Definitions
      • User Trace Event Type Definitions
    • Trace Functions
  • Data Types
• System Interfaces
  • FD_CLR
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • _Exit
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • _longjmp
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
  • _tolower
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • _toupper
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • a64l
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
  • abort
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • abs
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • accept
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • access
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Testing for the Existence of a File
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • acos
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • acosh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • acosl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • aio_cancel
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_error
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_fsync
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_read
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_return
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_suspend
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • aio_write
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • alarm
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • asctime
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • asin
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • asinh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • asinl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • assert
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • atan
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • atan2
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Converting Cartesian to Polar Coordinates System
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • atanf
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • atanh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • atanl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • atexit
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • atof
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • atoi
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Converting an Argument
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • atol
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • basename
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Using basename()
      • Sample Input and Output Strings for basename()
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • bcmp
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • bcopy
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • bind
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • bsd_signal
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • bsearch
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • btowc
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • bzero
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • cabs
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cacos
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cacosh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cacosl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • calloc
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • carg
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • casin
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • casinh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • casinl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • catan
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • catanh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • catanl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • catclose
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • catgets
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • catopen
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cbrt
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • ccos
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • ccosh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • ccosl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • ceil
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • cexp
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cfgetispeed
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cfgetospeed
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cfsetispeed
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • cfsetospeed
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • chdir
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Changing the Current Working Directory
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • chmod
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Setting Read Permissions for User, Group, and Others
      • Setting Read, Write, and Execute Permissions for the Owner Only
      • Setting Different Permissions for Owner, Group, and Other
      • Setting and Checking File Permissions
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • chown
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • cimag
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • clearerr
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • clock
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • clock_getcpuclockid
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • clock_getres
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • clock_nanosleep
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • clock_settime
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • clog
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • close
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Reassigning a File Descriptor
      • Closing a File Descriptor
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • closedir
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Closing a Directory Stream
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • closelog
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Using openlog()
      • Using setlogmask()
      • Using syslog
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • confstr
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • conj
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • connect
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • copysign
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cos
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Taking the Cosine of a 45-Degree Angle
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • cosh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • cosl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • cpow
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • cproj
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • creal
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • creat
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Creating a File
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • crypt
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Encoding Passwords
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
  • csin
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • csinh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • csinl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • csqrt
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • ctan
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • ctanh
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • ctanl
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • ctermid
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Determining the Controlling Terminal for the Current Process
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • ctime
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • daylight
    • NAME
    • SYNOPSIS
    • DESCRIPTION
  • dbm_clearerr
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
    • Issue 6
  • difftime
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • dirname
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
      • Sample Input and Output Strings for dirname()
      • Changing the Current Directory to the Parent Directory
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 5
  • div
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
  • dlclose
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • dlerror
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • dlopen
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • dlsym
    • NAME
    • SYNOPSIS
    • DESCRIPTION
    • RETURN VALUE
    • ERRORS
    • EXAMPLES
    • APPLICATION USAGE
    • RATIONALE
    • FUTURE DIRECTIONS
    • SEE ALSO
    • CHANGE HISTORY
    • Issue 6
  • drand48
    • NAME