A program from the textbook: array.c

if-else statement

     if (condition)
        statement;
     else if (condition)
        statement;
     else
        statement;

loops

• for loops

       for (init, cond, next) 
          statement;
  

• while loops

       while (cond) 
          statement;
  

• do-while loops

       do {
          statement;
       } while (cond);
  

Use of standard library functions

    a) isdigit(c); /* equivalent to (c >= '0' && c <= '0') */
    b) need to include ctype.h, how?
    c) new program here

Define and call your own functions

    i) my_isdigit(c) 
    ii) my_isspace(c)
    iii) new program here