pub unsafe extern "C" fn Perl_re_intuit_start(
my_perl: *mut PerlInterpreter,
rx: *mut REGEXP,
sv: *mut SV,
strbeg: *const c_char,
strpos: *mut c_char,
strend: *mut c_char,
flags: U32,
data: *mut re_scream_pos_data,
) -> *mut c_char