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* add support for program_invocation[_short]_nameRich Felker2013-04-061-0/+6
| | | | | | | | | | this is a bit ugly, and the motivation for supporting it is questionable. however the main factors were: 1. it will be useful to have this for certain internal purposes anyway -- things like syslog. 2. applications can just save argv[0] in main, but it's hard to fix non-portable library code that's depending on being able to get the invocation name without the main application's help.
* remove useless "extern" keywords in headersRich Felker2012-01-261-1/+1
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* use __attribute__((const)) for errno and pthread_self if __GNUC__ is definedRich Felker2011-06-061-0/+3
| | | | | this is not too ugly and should result in significant code size and performance improvements for many programs.
* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+18