When we compile a program,compiler justify the program is correct or not.If there is no syntax error in our program then compiler take the whole program as some token.
Like a language contain a lot of words or symbol,C language also contain some token. Compiler turns those token into computer usable code.
Keywords :
Keywords are some reserved words that compiler can define and work with them.Like char is a keyword.According to ANSI C contain a total number of 32 keywords.
Keyword List :
1.auto 11.enum 21.short
2.break 12.extern 22.signed
3.case 13.float 23.sizeof
4.char 14.for 24.static
5.const 15.goto 25.struct
6.continue 16.if 26.switch
7.default 17.int 27.typedef
8.do 18.long 28.union
9.double 19.register 29.void
10.else 20.return 30.while
Identifiers :
Identifiers are some name which is given to a variable,function or array in a program.
Ex : char ch
Here ch is an identifier.
Post a Comment