Labels:book | reckoner OCR: 11.8 Conditional Compilation 665 #def ine DEBUG which should appear above the #ifdef directives Note 2: The variable ne x ing will be declared when the symbol DEBUG defined to the compiler. It will lindicate the level of nest sting of a that are particular active function; that is keeps track of the number of functions at any instant during execution of the program. Note 3: ENTER and EXIT are preprocessor macros When the The symbol macro DEBUG defined, they will expand to call to pr intf The ENTER will be called each time function starts executing These macro EXIT() will be called each time conversion function terminates specifications for macros also illustrate new forms pr intf() position Consider the first conversion specification, position, The pr asterisk int field width in evalu- the ...
