posix
Some of the functionality described on this reference page extends the ISO C standard.
Some of the functionality described on this reference page extends the ISO C standard. Applications shall define the appropriate feature test macro (see XSH The Compilation Environment) to enable the visibility of these symbols in this header.
Use clib macros and functions to get the full POSIX interface
Note 1: The functionality described may be removed in a future version of this volume of POSIX.1-2017 Note 2: The functionality is an option marked as XSI (X/Open System Interfaces)
Note 1 or 2 followed by Linux or macOS means that the feature is not available on that platform with default compile options so the code is commented out. The code is commented out so the next developer that comes along will not have to rediscover these limitations.
POSIX spawn.h for Scala
POSIX spawn.h for Scala
The Open Group Base Specifications Issue 7, 2018 edition.
A method with a PS comment indicates it is defined in POSIX extension "Process Scheduling", not base POSIX.
POSIX string.h for Scala
POSIX string.h for Scala
The Open Group Base Specifications Issue 7, 2018 edition.
A method with a CX comment indicates it is a POSIX extension to the ISO/IEEE C standard.
A method with an XSI comment indicates it is defined in extended POSIX X/Open System Interfaces, not base POSIX.
POSIX strings.h for Scala
POSIX strings.h for Scala
The Open Group Base Specifications Issue 7, 2018 edition.
A method with an XSI comment indicates it is defined in extended POSIX X/Open System Interfaces, not base POSIX.