/// json_object_boolean
unsafe extern "C" fn json_object_boolean_to_json_string(
    mut jso: *mut json_object,
    mut pb: *mut printbuf,
    mut level: ::core::ffi::c_int,
    mut flags: ::core::ffi::c_int,
) -> ::core::ffi::c_int {
    if (*jso).o.c_boolean != 0 {
        return printbuf_memappend(
            pb as *mut printbuf,
            b"true\0" as *const u8 as *const ::core::ffi::c_char,
            (::core::mem::size_of::<[::core::ffi::c_char; 5]>() as usize).wrapping_sub(1 as usize)
                as ::core::ffi::c_int,
        );
    }
    return printbuf_memappend(
        pb as *mut printbuf,
        b"false\0" as *const u8 as *const ::core::ffi::c_char,
        (::core::mem::size_of::<[::core::ffi::c_char; 6]>() as usize).wrapping_sub(1 as usize)
            as ::core::ffi::c_int,
    );
}