printf statement

%d --> int
%i --> int
%f -->float
%c -->char
%s -->string
%x -->hex
%lf -->double

Compiling

C Compilation

Prepocessor--> Removes comments, Interprets the preprocessor directives.
Compiler --> Source code to assemby code
Assembler --> Creates object code
Link Editor --> combines the function defined in other source files and creates executable from object code.

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Lint
It is a unix utiliy to verify C program. It helps in type checking of variable, function assignments, efficiency, unreachable codes, memeory leaks etc.

lint program.c