Lines Matching refs:POSIX

22 of the POSIX Epoch (1970-01-01 00:00:00 UTC).  For each such region,
38 also available.  The tz code is upwards compatible with POSIX, an
40 current edition of POSIX is:
86 	Use only valid POSIX file name components (i.e., the parts of
90 		digits, as that might create an ambiguity with POSIX
101 		the same name as a directory in POSIX.  For example,
121 		The POSIX file name restrictions encourage this rule.
173 like 'EST' to be compatible with human tradition and POSIX.
186 		Also, POSIX from 2001 on relaxed the rule to allow '-', '+',
191 		In other words, in the C locale the POSIX extended regular
194 		specified by a POSIX TZ string.
383  * The relationship between POSIX time (that is, UTC but ignoring leap
384    seconds) and UTC is not agreed upon after 1972.  Although the POSIX
387    practice POSIX clocks more typically either progress glacially during
407 compatible with those of POSIX.
409 POSIX has the following properties and limitations.
411 *	In POSIX, time display in a process is controlled by the
412 	environment variable TZ.  Unfortunately, the POSIX TZ string takes
414 	Also, POSIX TZ strings can't deal with other (for example, Israeli)
418 	The POSIX TZ string takes the following form:
427 		Starting with POSIX.1-2001, std and dst may also be
456 	Here is an example POSIX TZ string, for US Pacific time using rules
461 	This POSIX TZ string is hard to remember, and mishandles time stamps
467 *	POSIX does not define the exact meaning of TZ values like "EST5EDT".
478 *	In POSIX, there's no tamper-proof way for a process to learn the
487 *	POSIX provides no convenient and efficient way to determine the UT
490 	POSIX model.
492 *	POSIX requires that systems ignore leap seconds.
495 	allowed by POSIX.  The time_t type represents a nonnegative count of
502 	Although earlier POSIX versions allowed time_t to be a
504 	systems, and POSIX.1-2013 and the tz code both require time_t
507 These are the extensions that have been made to the POSIX functions:
511 	POSIX); "TZ" is no longer constrained to be a three-letter time zone
529 	"new" programs (a la POSIX) and "old" programs (as zone names and
607 contain valid extensions to POSIX, to ensure its broad acceptability.  If