c programming pointer code example

Example 1: poiner in c

int c, *pc;

// pc is address but c is not
pc = c; // Error

// &c is address but *pc is not
*pc = &c; // Error

// both &c and pc are addresses
pc = &c;

// both c and *pc values 
*pc = c;

Example 2: How to use pointers in C

myvar = 25;
foo = &myvar;
bar = myvar;