table vs. pointer, differences

test.cpp

#include <cstdio>

void F(int *x, int tab1[2], int tab2[]) {
        printf("F: sizeof x, tab1, tab2: %ld %ld %ld\n", sizeof(x), sizeof(tab1), sizeof(tab2));
}

int main() {
        int tab[] = {1,2,3,4,5};
        int* x = tab;

        printf("  x=%p,   &x=%p,   *x=%d,   x[0]=%d\n", x, &x, *x, x[0]);
        printf("tab=%p, &tab=%p, *tab=%d, tab[0]=%d\n", tab, &tab, *tab, tab[0]);

        printf("  x[1]=%d,   *(x+1)=%d\n", x[1], *(x+1));
        printf("tab[1]=%d, *(tab+1)=%d\n", tab[1], *(tab+1));

        printf("sizeof tab[]: %d\n", sizeof(tab));
        F(x, tab, tab);

        return 0;
}
/*
Output:

  x=0x7ffe07c01e20,   &x=0x7ffe07c01e18,   *x=1,   x[0]=1
tab=0x7ffe07c01e20, &tab=0x7ffe07c01e20, *tab=1, tab[0]=1
  x[1]=2,   *(x+1)=2
tab[1]=2, *(tab+1)=2
sizeof tab[]: 20
F: sizeof x, tab1, tab2: 8 8 8

*/