• C

Using Switch and Functions...

I am developing a program that prints an options menu - the menu displays options and each option has a corresponding value - I want to use the SWITCH for each case statement.  My questions is:

I will have functions do the grunt work for each menu option -

Find video(s)
Check out video(s)
Return video(s)
Find all videos out to a customer
Add a new video(s)
Print inventory list (sorted by...)

Each option above with have a function do the work - would the function be embedded in the case expression?  If so, what would that look like?


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Yes, the function call would be in the switch ... case.  You should use #defined constants for each option.  Here's approximately what it would look like:

int retval;

switch (UserInput)
  case FIND_VID:
    retval = func_find();

  case CHECK_OUT:
    retval = func_checkout();

  case RETURN_VID:
    retval = func_retvid();
    /* error handling goes here */
    retval = ERROR_VALUE;


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