src.c: In function 'max':
src.c:14:14: error: lvalue required as left operand of assignment
x>y?h=x:h=y;
^
src.c:15:14: error: lvalue required as left operand of assignment
x>z?h=x:h=z;
^
src.c:16:14: error: lvalue required as left operand of assignment
y>z?h=y:h=z;
^