Unnamed

#include <stdio.h>

int a = 5;
int *money = NULL;
money = &a;

ptr.c:5: error: conflicting types for ‘money’
ptr.c:4: error: previous definition of ‘money’ was here
ptr.c:5: warning: initialization makes integer from pointer without a cast
ptr.c:5: warning: data definition has no type or storage class