wide character resources

1) Text from Amendment 1 to C90 (see first paragraph on page 191):
     http://www.open-std.org/jtc1/sc22/wg14/www/docs/C99RationaleV5.10.pdf

2) Brief description of Amendment 1 to C90:
     http://www.lysator.liu.se/c/na1.html

3) ISO C Amendment 1 (MSE - Multibyte Support Extensions):
     http://www.unix.org/version2/whatsnew/login_mse.html

3) Page with a lot of links, which includes link 1) above:
     http://www.cse.psu.edu/~deh25/cmpsc311/Lectures/Standards/CStandard.html

4) Links to C standard:
     http://stackoverflow.com/questions/81656/where-do-i-find-the-current-c-or-c-standard-documents
     http://stackoverflow.com/questions/17014835/where-can-i-find-the-c89-c90-standards-in-pdf-format

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Functions that convert between multibyte and wide characters (from C90):

mblen
mbtowc
wctomb
mbstowcs
wcstombs