Character conversions and testing: ctype.h Memory Operations: <memory.h> String Handling: <string.h> http://www.cs.cf.ac.uk/Dave/C/node19.html String Handling: <string.h> http://www.cs.cf.ac.uk/Dave/C/node19.html Basic String Handling Functions http://www.cs.cf.ac.uk/Dave/C/node19.html String Searching String Handling: <string.h> http://www.cs.cf.ac.uk/Dave/C/node19.html http://www.cs.cf.ac.uk/Dave/C/node19.html http://www.cs.cf.ac.uk/Dave/C/node19.html Exercises String Handling: <string.h>