use strict;
use warnings;
use Config;

use Inline C => Config =>
  USING => 'ParseRegExp',
  CCFLAGSEX => '-DMY_FORMAT=\\"%.16e\\"',
  BUILD_NOISY => 1,
;

use Inline C =><<'EOC';

SV * foo(void) {
  printf(MY_FORMAT, sqrt(2.0));
  printf("\n");
}

EOC

foo();

##</code><code>##

CCFLAGSEX => '-DMY_FORMAT=\\"%.16e\\"',
CCFLAGSEX => "-DMY_FORMAT=\\\"%.16e\\\"",
CCFLAGSEX => q["-DMY_FORMAT=\\"%.16e\\""],

##</code><code>##

CCFLAGSEX => '-DMY_FORMAT=\\"%%.16e\\"',
CCFLAGSEX => "-DMY_FORMAT=\\\"%%.16e\\\"",
CCFLAGSEX => q["-DMY_FORMAT=\\"%%.16e\\""],