foo.c: In function 'main':
foo.c:4:2: error: invalid initializer
  int a[10]=0;
  ^
foo.c:6:11: warning: value computed is not used [-Wunused-value]
  for(i=0,i<10,i++)
           ^
foo.c:6:11: warning: value computed is not used [-Wunused-value]
foo.c:6:18: error: expected ';' before ')' token
  for(i=0,i<10,i++)
                  ^
foo.c:6:18: error: expected expression before ')' token
foo.c:11:11: warning: value computed is not used [-Wunused-value]
  for(i=0,i<10,i++)
           ^
foo.c:11:11: warning: value computed is not used [-Wunused-value]
foo.c:11:18: error: expected ';' before ')' token
  for(i=0,i<10,i++)
                  ^
foo.c:11:18: error: expected expression before ')' token