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Vor einem Tag · C trigraphs were created to solve this problem for ANSI C, although their late introduction and inconsistent implementation in compilers limited their use. Many programmers kept their computers on US-ASCII, so plain-text in Swedish, German etc. (for example, in e-mail or Usenet ) contained "{, }" and similar variants in the middle of words, something those programmers got used to.
- ISO-IR-006, ANSI_X3.4-1968, ANSI_X3.4-1986, ISO_646.irv:1991, ISO646-US, us, IBM367, cp367
- ISO/IEC 646 series
- us-ascii
Vor einem Tag · 1.1 预定义符号. FILE //进行编译的源文件. LINE //文件当前的行号. DATE //文件被编译的日期. TIME //文件被编译的时间. FUNCTION //文件当前所在的函数. STDC //如果编译器遵循ANSI C标准，其值为1，否则未定义. 这些预定义符号都是语言内置的. 我们来使用下上面的语句.
