C multiple single line declarations

Question

What happens when I declare say multiple variables on a single line? e.g.

int x, y, z;

All are ints. The question is what are y and z in th

Answer 1

In your first sentence:

int x, y, z;

They are all ints.

However, in the second one:

int* x, y, z;

Only x is a pointer to int. y and z are plain ints.

If you want them all to be pointers to ints you need to do:

int *x, *y, *z;