Probably old news to most of you but posting it anyways.
ISO has updated the C standard.
C1X - Wikipedia, the free encyclopedia
The official version is available for cost at:
ISO/IEC 9899:2011 - Information technology -- Programming languages -- C
The draft version is available for free download from:
http://www.open-std.org/jtc1/sc22/wg...docs/n1570.pdf