- The case of alphabetic characters is significant. Using INDEX for a variable name is not the same as using index and neither of them is the same as using InDeX for a variable name. All three refer to different variables.
- According to the ANSI-C standard, at least 31 significant characters can be used and will be considered significant by a conforming ANSI-C compiler. If more than 31 are used, all characters beyond the 31st may be ignored by any given compiler.
we can share the knowledge with our friends. So they can share with their friends. and so on... Finally You can turn back ...how many of them stand behind you....
Tuesday, February 23, 2010
C - what is identifier
An identifier is used for any variable, function, data definition, etc. In the C programming language, an identifier is a combination of alphanumeric characters, the first being a letter of the alphabet or an underline, and the remaining being any letter of the alphabet, any numeric digit, or the underline.
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