Meaning of (*++ptr)

Meaning of  (*++ptr) :

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Consider the Following Example :

int n = 20 , *ptr ;
ptr = &n;
printf("%d",*++ptr);

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Explanation :

1. '++' and '*' both have Equal Precedence 
2. Associativity is from Right to Left ( Expression evaluated from R->L)
   
3. Both are Unary (Operates on single operand )
4. So ' ++ ' is Performed First then ' * '
   

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Calculation of Answer :

1. * ++ptr   =  *(++ptr )
2.              =  *( 3060 )
3.              =  data_at 3060

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