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* include cleanups: remove unused headers and add feature test macrosSzabolcs Nagy2013-12-121-1/+0
* slightly cleaner strlen, also seems to compile to better code•••testing with gcc 4.6.3 on x86, -Os, the old version does a duplicate null byte check after the first loop. this is purely the compiler being stupid, but the old code was also stupid and unintuitive in how it expressed the check. Rich Felker2012-09-271-6/+4
* initial check-in, version 0.5.0Rich Felker2011-02-121-0/+21