static int gcd ( int a , int b ) {
  int temp ;
  while ( ( temp = a % b ) != 0 ) {
    a = b ;
    b = temp ;
  }
  return b ;
}

static int gcd ( int a , int b ) { int temp ; while ( ( temp = a % b ) != 0 ) { a = b ; b = temp ; } return b ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))) (return_statement (identifier))))