1, could you tell me the P1, P2 what return, said to return to the first address on the tutorial, but why did not add & amp; And the return & amp; P1.
2, print (P1, P2, pointing to the data why not printf (" P1: % s, P2: % s \ n ", * (P1, * (P2);

CodePudding user response:

Char * p1 -- -- -- -- -- -- -- -- -- - p1 pointer variable that is stored inside address values, the function returns a pointer variable values (address), so the write pointer is a variable name