Question

What is the difference between if (p == q) and if (*p == *q)?

Answer 1

p==q; //compare the two memory addresses

*p=*q;//compare the two content from that address(p and q)

Answer 2

if(p==q) -- it means that it checks the "address "of p and q

if(*p==*q)--it means that it checks the "values" of p and q

so p is never equals to q

     *p is may be equal to *q (depends on given programm)

Comments

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Answer 3

P  and Q are variables. (p==q) in this condition compare the values of variables.

(*p==*q) in this condition compare address of variables that's are store values.

Answer 4

for (p==q)we can able to insert only one value but,for (*p==*q) we can able to insert many values