Add inline function sources.

01-inline-functions/inline.cpp

@@ -0,0 +1,13 @@
+#include <cstdlib>
+#include <iostream>
+
+inline void print_prog(char *prog_name)
+{
+	std::cout << "Program name: " << prog_name << std::endl;
+}
+
+int main(int argc, char *argv[])
+{
+	print_prog(argv[0]);
+	return EXIT_SUCCESS;
+}

01-inline-functions/no-inline.cpp

@@ -0,0 +1,13 @@
+#include <cstdlib>
+#include <iostream>
+
+void print_prog(char *prog_name)
+{
+	std::cout << "Program name: " << prog_name << std::endl;
+}
+
+int main(int argc, char *argv[])
+{
+	print_prog(argv[0]);
+	return EXIT_SUCCESS;
+}