add structure for code refactoring (that will take place sometime in the future)

.gitignore

@@ -1,2 +1,4 @@
 tls
 tls.o
+tls2
+tls2.o

Makefile

@@ -3,12 +3,20 @@ CFLAGS = -g
 INCLUDE = -I /usr/local/include -L /usr/local/lib
 LIBS = -lncurses -ltls
 
+default: tls tls2
+
 tls: tls.o
 	$(CC) -o tls tls.o $(LIBS) $(INCLUDE)
 
+tls2: tls2.o
+	$(CC) -o tls2 tls2.o $(LIBS) $(INCLUDE)
+
 deb:
 	gcc -ggdb -o tls tls.c $(LIBS) $(INCLUDE) -Wall -Wextra -fsanitize=address
+	gcc -ggdb -o tls2 tls2.c $(LIBS) $(INCLUDE) -Wall -Wextra -fsanitize=address
 
 clean:
 	rm tls.o
 	rm tls
+	rm tls2.o
+	rm tls2

tls2.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <tls.h>
+#include <ncurses.h>
+
+int main(void) {
+  printf("hello world!\n");
+  return 0;
+}