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Operating Systems Linux Reading Daylight Saving Time in Linux using C/C++ Post 302382686 by fpmurphy on Thursday 24th of December 2009 10:22:33 AM
Old 12-24-2009
There are no standardized APIs for accessing the data you want from the relevant zoneinfo files. However if you do an Internet search for "ttisstdcnt" and "detzone" you will find plenty of examples of how it is done.
 

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hal-find(1M)						  System Administration Commands					      hal-find(1M)

NAME
hal-find, hal-find-by-capability, hal-find-by-property - search HAL global device list SYNOPSIS
hal-find-by-capability --capability capability [--help] [--verbose] [--version] hal-find-by-property --key key --string value [--help] [--verbose] [--version] DESCRIPTION
The hal-find commands, hal-find-by-capability and hal-find-by-property, search the Hardware Abstraction Layer (HAL) device list by speci- fied criteria and displays results on the standard output. hal-find-by-capability searches by capability, such as volume or block. hal- find-by-property searches by property, such as block.is_volume or volume.disc.has_audio. OPTIONS
The following options are supported: --capability capability HAL device capability to search for. --help Display list of options. --key key The key to the property that is the basis of the search. --string value The string value associated with the property that is the basis of the search. --verbose Verbose mode. --version Display version and exit. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWhalr | +-----------------------------+-----------------------------+ |Interface Stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
hald(1M), attributes(5), hal(5) SunOS 5.11 22 Aug 2006 hal-find(1M)
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