diff --git a/.vscode/launch.json b/.vscode/launch.json
index 60f9d06..80104c2 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -25,6 +25,11 @@
                     "description": "Set Disassembly Flavor to Intel",
                     "text": "-gdb-set disassembly-flavor intel",
                     "ignoreFailures": true
+                },
+                {
+                    "description": "Set output radix",
+                    "text": "set output-radix 16",
+                    "ignoreFailures": true
                 }
             ],
             "preLaunchTask": "CMake: build"
diff --git a/libs/lib1/inc/lib1.h b/libs/lib1/inc/lib1.h
index fe90b0c..0fd4161 100644
--- a/libs/lib1/inc/lib1.h
+++ b/libs/lib1/inc/lib1.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-void lib1_function();
+void lib1_function(unsigned int i);
 
 #if defined(__cplusplus)
 }
diff --git a/libs/lib1/src/lib1.c b/libs/lib1/src/lib1.c
index e3fad55..dbbcf6a 100644
--- a/libs/lib1/src/lib1.c
+++ b/libs/lib1/src/lib1.c
@@ -3,8 +3,9 @@
 #include "lib3.h" // Include lib3's header to call lib3_function
 #include <stdio.h> // Include standard I/O here, as printf is used in this source file.
 
-void lib1_function() {
-  printf("This is a function from Library 1.\n");
+void lib1_function(unsigned int i)
+{
+  printf("This is a function from Library 1. %u\n", i);
   lib2_function(); // Call function from lib2
   lib3_function(); // Call function from lib3
   printf("Lib1 has called functions from Lib2 and Lib3.\n");
diff --git a/src/app.cpp b/src/app.cpp
index b6404ab..681c3db 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -5,9 +5,10 @@
 
 int main()
 {
+  unsigned int magic = 0xa5a5a5a5;
   std::cout << "Hello from main application!" << std::endl;
   // Call functions from the linked libraries
-  lib1_function();
+  lib1_function(magic);
   lib2_function();
   lib3_function();
   return 0;