find out the error in the following program.
int main(){structure college{int items;char name[10];}a;strcpy(a.name, "GMIT");a.items=10;printf("%s", a.name);return 0;}

#include<stdio.h>
main()
{
char*p;
printf("%d%d", sizeof (*p), size of(p)) ;
}
int f(int x, int *py, int **ppz)
{
int y, z;
**ppz += 1;
z = **ppz;
*py += 2;
y = *py;
x += 3;
return x + y + z;
}
void main()
{
int c, *b, **a;
c = 4;
b = &c;
a = &b;
printf("%d ", f(c, b, a));
return 0;
}