Variables, Constants and Keywords in C

C 入門: まず押さえておきたい基本の集中講座 [YouTube 動画講座]

Learn the C-Walk Variation: Easy Tutorial

Variable Scope in C Programming

The name of a variable in the C programming language is a string that can contain uppercase letters, lowercase letters, digits, or underscores. Further, the first character in the string must be a letter, either uppercase or lowercase, or an underscore. If the name of a variable is determined by its first eight characters, how many different variables can be named in C? (Note that the name of a variable may contain fewer than eight characters.) | Numerade