Function libperl_sys::Perl_pregexec

pub unsafe extern "C" fn Perl_pregexec(
    my_perl: *mut PerlInterpreter, 
    prog: *mut REGEXP, 
    stringarg: *mut c_char, 
    strend: *mut c_char, 
    strbeg: *mut c_char, 
    minend: isize, 
    screamer: *mut SV, 
    nosave: U32
) -> I32