while(--i > 0) //suppose i = 1 here, so --i becomes 0, hence the condition
fails...so it will go 1 step back in recursion
{
main();
printf("%d",i);
}
it will execute
printf("%d",i) of prev recursion where i=0 now, so 0 gets printed...now
again the condition is checked i=0, thrfore --i becomes -1, so condition
fails
it now executes printf("%d",i) of still prev recursion and i=-1 here....this
continues...
I hope this clarifies
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