static int __builtin_popcount ( int x ) {
  int c = 0 ;
  for ( int i = 0 ;
  i < 60 ;
  i ++ ) if ( ( ( x >> i ) & 1 ) != 0 ) c ++ ;
  return c ;
}

static int __builtin_popcount ( int x ) { int c = 0 ; for ( int i = 0 ; i < 60 ; i ++ ) if ( ( ( x >> i ) & 1 ) != 0 ) c ++ ; return c ; }
(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))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal))) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier))))) (return_statement (identifier))))