Identifiers in c

                       IDENTIFIERS

·      Identifiers refers to the Name of program elements such as variables, functions ,and arrays.

·      Identifiers can be reasonable length of 8-10 characters through certain computers and it will allow maximum 32 characters.

·      Identifiers name must start with an alphabet or underscore followed by letter digit or combination of both.

·      The underscore (_) symbol is generally in the middle of an identifiers.

·      Identifiers are sequence of characters chosen from the set A-Z,a-z,0-9,and_ (underscore).

·      C is a case sensitive language it will differ C LANGUAGE and c language these both are different.

·      C has a list of keywords that cannot be used anywhere other than the predefined in the language.

·      EX: you should not declare the variable name as  int. because it is a keyword the vendor is already declared as predefined. Not only Int there is a 32 key words in c .