(TXT) Makefile
 (TXT) ex1.c
 (TXT) ex10.c
 (TXT) ex11.c
 (TXT) ex12.c
 (TXT) ex13.c
 (TXT) ex14.c
 (TXT) ex15.c
 (TXT) ex16.c
 (TXT) ex17.c
 (TXT) ex18.c
 (TXT) ex2.c
 (TXT) ex3.c
 (TXT) ex4.c
 (TXT) ex5.c
 (TXT) ex6.c
 (TXT) ex7.c
 (TXT) ex8.c
 (TXT) ex9.c