<P> Any text on a line after an' (apostrophe) character is also treated as a comment in Microsoft BASICs, including QuickBasic, QBasic, Visual Basic, Visual Basic . NET, and VBScript - and in descendants such as FreeBASIC and Gambas . </P> <P> An example in Visual Basic . NET: </P> <P> This C code fragment demonstrates the use of a prologue comment or "block comment" to describe the purpose of a conditional statement . The comment explains key terms and concepts, and includes a short signature by the programmer who authored the code . </P> <P> Since C99, it has also been possible to use the / / syntax from C++, indicating a single - line comment . </P>

What is the use of comments in c programming