diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
index 6634226a5..c634ffbcb 100644
--- a/src/rust/Cargo.lock
+++ b/src/rust/Cargo.lock
@@ -186,6 +186,7 @@ dependencies = [
  "env_logger",
  "iconv",
  "leptonica-sys",
+ "libc",
  "log",
  "num-integer",
  "num-traits",
diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
index c3052917f..b8f07bd7e 100644
--- a/src/rust/Cargo.toml
+++ b/src/rust/Cargo.toml
@@ -29,6 +29,7 @@ num-traits = "0.2.16"
 winapi = "0.3.9"
 cfg-if = "1.0.0"
 sha2 = "0.10.7"
+libc = "0.2.147"
 
 [build-dependencies]
 bindgen = "0.58.1"
diff --git a/src/rust/src/common.rs b/src/rust/src/common.rs
index d23613f26..67da6fddb 100644
--- a/src/rust/src/common.rs
+++ b/src/rust/src/common.rs
@@ -45,15 +45,15 @@ impl CcxTeletextConfig {
             extraction_start: self.extraction_start.to_ctype(),
             extraction_end: self.extraction_end.to_ctype(),
             write_format: self.write_format.into(),
-            gui_mode_reports: self.gui_mode_reports as i32,
-            date_format: self.date_format as u32,
-            noautotimeref: self.noautotimeref as i32,
-            send_to_srv: self.send_to_srv as u32,
-            encoding: self.encoding as u32,
-            nofontcolor: self.nofontcolor as i32,
-            nohtmlescape: self.nohtmlescape as i32,
-            millis_separator: self.millis_separator as i8,
-            latrusmap: self.latrusmap as i32,
+            gui_mode_reports: self.gui_mode_reports as _,
+            date_format: self.date_format as _,
+            noautotimeref: self.noautotimeref as _,
+            send_to_srv: self.send_to_srv as _,
+            encoding: self.encoding as _,
+            nofontcolor: self.nofontcolor as _,
+            nohtmlescape: self.nohtmlescape as _,
+            millis_separator: self.millis_separator as _,
+            latrusmap: self.latrusmap as _,
         };
         config.set_verbose(if self.verbose { 1 } else { 0 });
         config.set_bom(if self.bom { 1 } else { 0 });
@@ -841,11 +841,11 @@ impl CcxOptions {
             hardsubx_hue: self.hardsubx_hue.unwrap_or_default(),
             hardsubx_lum_thresh: self.hardsubx_lum_thresh.unwrap_or(0.0),
             transcript_settings: self.transcript_settings.to_ctype(),
-            date_format: self.date as u32,
+            date_format: self.date as _,
             write_format_rewritten: self.write_format_rewritten as _,
             use_ass_instead_of_ssa: self.use_ass_instead_of_ssa as _,
             use_webvtt_styling: self.use_webvtt_styling as _,
-            debug_mask: self.debug_mask as i64,
+            debug_mask: self.debug_mask as _,
             debug_mask_on_debug: self.debug_mask_on_debug,
             udpsrc: get_raw_string(&self.udpsrc.clone().unwrap_or_default()),
             udpaddr: get_raw_string(&self.udpaddr.clone().unwrap_or_default()),
@@ -856,7 +856,7 @@ impl CcxOptions {
             srv_addr: get_raw_string(&self.srv_addr.clone().unwrap_or_default()),
             srv_port: get_raw_string(&self.srv_port.unwrap_or_default().to_string()),
             noautotimeref: self.noautotimeref as _,
-            input_source: self.input_source as u32,
+            input_source: self.input_source as _,
             output_filename: get_raw_string(&self.output_filename.clone().unwrap_or_default()),
             inputfile: get_raw_strings(self.inputfile.clone().unwrap_or_default()),
             num_input_files: self.num_input_files.unwrap_or_default(),