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UNIX Standards and Benchmarks UNIX IEEE Std 1003.1-2001 (POSIX.1) Link to the Open Group (UNIX Standards) Post 26442 by Neo on Sunday 18th of August 2002 06:40:46 PM
Old 08-18-2002
The Single UNIX Specification, Version 3.

San Francisco, CA - January 30 2002- The Open Group announced today completion of the joint revision to POSIX and the Single UNIX specification. The joint revision forms the core of The Open Group's Single UNIX Specification Version 3, and is IEEE Std 1003.1-2001 (POSIX.1) - The Open Group Base Specifications Issue 7, IEEE Std 1003.1™-2008, 2016 Edition, Copyright © 2001-2016 The IEEE and The Open Group
Click HERE to learn about The Single UNIX Specification, Version 3


Here is another link to the UNIX IEEE Standard, an Open Group Technical Standard, Issue 7

POSIX.1-2008 is simultaneously IEEE Std 1003.1™-2008 and The Open Group Technical Standard Base Specifications, Issue 7.

application program interface (API), argument, asynchronous, basic regular expression (BRE), batch job, batch system, built-in utility, byte, child, command language interpreter, CPU, extended regular expression (ERE), FIFO, file access control mechanism, input/output (I/O), job control, network, portable operating system interface (POSIX®), parent, shell, stream, string, synchronous, system, thread, X/Open System Interface (XSI)

UNIX® is a registered trademark of The Open Group
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_TOLOWER(P)						     POSIX Programmer's Manual						       _TOLOWER(P)

_tolower - transliterate uppercase characters to lowercase SYNOPSIS
#include <ctype.h> int _tolower(int c); DESCRIPTION
The _tolower() macro shall be equivalent to tolower(c) except that the application shall ensure that the argument c is an uppercase letter. RETURN VALUE
Upon successful completion, _tolower() shall return the lowercase letter corresponding to the argument passed. ERRORS
No errors are defined. The following sections are informative. EXAMPLES
tolower() , isupper() , the Base Definitions volume of IEEE Std 1003.1-2001, Chapter 7, Locale, <ctype.h> COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html . IEEE
/The Open Group 2003 _TOLOWER(P)

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