examples: main, argc, _index, s13
An identifier is the names given for labels, functions and variables in the c language.
Yes. The word "hello" can be an identifier token. It is not a reserved word in C or C++, and it meets the criteria for being an identifier.
The hearing rods for identifier "c" language is the function.
No. In C++ with <iostream>, cin is a prefedined class that represents stdin, so it is an input identifier.
No. Identifier is a scientific name for the name.Variables, functions, types, etc -- each have an identifier.
If the identifier you want to pass is an ordinary identifier, pass it as the address of... function(&identifier); If the identifier you want to pass is an array identifier, pass its name... function(arrayname);
Nothing. (You can use this word as identifier though.)
You may use it as an identifier, because it is not a reserved word in C.
No. Neither is a10 and A10.
letter -> [a-zA-Z] digit -> [0-9] identifier -> letter|_(letter|digit|_)
a -- identifier 'a' -- character-literal "a" -- string-literal
1. identifier 2. short for function