--- a/src/libpam/pam_ffi.rs	Sun Jun 29 02:21:26 2025 -0400
+++ b/src/libpam/pam_ffi.rs	Sun Jun 29 03:11:33 2025 -0400
@@ -3,7 +3,7 @@
 #![allow(non_camel_case_types, non_upper_case_globals)]
 
 use crate::libpam::memory::{CHeapBox, Immovable};
-use std::ffi::{c_int, c_uint, c_void, CStr};
+use std::ffi::{c_int, c_void, CStr};
 use std::marker::PhantomData;
 use std::ptr;
 
@@ -51,7 +51,7 @@
 #[derive(Debug)]
 pub struct Question {
     /// The style of message to request.
-    pub style: c_uint,
+    pub style: c_int,
     /// A description of the data requested.
     ///
     /// For most requests, this will be an owned [`CStr`],
@@ -92,9 +92,9 @@
 }
 
 /// Gets a string version of an error message.
-pub fn strerror(code: c_uint) -> Option<&'static str> {
+pub fn strerror(code: c_int) -> Option<&'static str> {
     // SAFETY: Every single PAM implementation I can find (Linux-PAM, OpenPAM,
-    // Solaris, etc.) returns a static string and ignores the handle value.
+    // Sun, etc.) returns a static string and ignores the handle value.
     let strerror = unsafe { pam_strerror(ptr::null_mut(), code as c_int) };
     if strerror.is_null() {
         None