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Reference operator (&) In C Language
This referencing operator is also called address operator, which gives the address of a variable, in which location the variable is resided in the memory.

Syntax :  &variable-name;

Example :  int k=10;

Pointers
Printf(“\n The address of k=%u”, &k);
Printf(“\n The value of k=%d”, k);
Output :

The address of k=2020
The value of k=10

• Here the expression ‘&k’ gives the address of ‘k’ in which it is stored, the format string %u or %p is used to print address.

• Here the expression ‘&k’ is pronounced as “address of k”, the space for ‘k’ at run time may be allocated anywhere in the RAM, and to get the address of ‘k’, reference operator is used.

• The address of a variable may not be a fixed location like 2020 above, and is randomly given by the computer.