Chk is a macro that gets replaced with an if statement. The else part gets attached to the most recent if which is the one from the macro. And since the condition in macro fails, the else clause is executed.
-- Shuaib http://twitter.com/ShuaibKhan http://www.bytehood.com/ On 03-Oct-2011, at 4:47 PM, "~*~VICKY~*~" <[email protected]> wrote: > #include<stdio.h> > #define chk(cond) if(!(cond))\ > fprintf(stderr,"chk failed: %s,file %s, line %d \n", #cond,\ > __FILE__,__LINE__),abort() > main() > { > int i = 0; > if(i==0) > chk(i < 100); > else > printf("hello"); > printf(" world"); > } > > output: hello world > > can anyone clearly explain how this works. > > > -- > Cheers, > > Vicky > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
