static int factorial ( int n ) {
  int fact = 1 , i ;
  if ( n == 0 ) return 1 ;
  for ( i = 1 ;
  i <= n ;
  i ++ ) fact *= i ;
  return fact ;
}

static int factorial ( int n ) { int fact = 1 , i ; if ( n == 0 ) return 1 ; for ( i = 1 ; i <= n ; i ++ ) fact *= i ; return fact ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (identifier)))) (return_statement (identifier))))