C 标准 C89/C90/C99/C11/C17
C89/C90 PDF:https://www.yodaiken.com/wp-content/uploads/2021/05/ansi-iso-9899-1990-1.pdf
C99 PDF:https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
C11 PDF:https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
C17 PDF:https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2310.pdf
参考:
https://www.open-std.org/jtc1/sc22/wg14/www/projects#9899
http://port70.net/~nsz/c/
https://www.open-std.org/jtc1/sc22/wg14/www/wg14_document_log.htm