Function Perl_pv_pretty 

pub unsafe fn Perl_pv_pretty(
    my_perl: *mut PerlInterpreter,
    dsv: *mut SV,
    str_: *const c_char,
    count: STRLEN,
    max: STRLEN,
    start_color: *const c_char,
    end_color: *const c_char,
    flags: U32,
) -> *mut c_char

thx shim for crate::Perl_pv_pretty.