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%f for float %lf for double %lf for long double it just so happens that when arguments of type float are passed as variadic parameters, such … The reason that one specifier … · here is my small program where i intently put the place holder %lf in the second printf. 20 format %lf is a perfectly correct printf format for double, exactly as you used it. Theres nothing wrong with your code. · in c89, %lf caused undefined behaviour although it was a common extension to treat it as %f. This means that both float and double reach printf as double and therefore %f and %lf both expect double and therefore are the same. Why the second printf has the same …
