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i wanna know about the working of preprocessors when dealing with macros in C. 
suppose i have a macro within a macro. say 
#define MAX  MIN
#define MIN 10

if i now write MAX some where in my code. 10 is substituted for it. i wanna know whether first MIN is 
substituted in place of MAX and may be in next pass 10 is substituted for MIN. or directly 10 is substituted 
for MAX with some earlier processing some where.

reply soon

 ==== deepak ----

have a great day 
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-- In God we trust; all else we walk through.