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/**************************************************************************
*
* Purpose: Program to demonstrate the 'switch/case' structure.
* Method: Prog looks at the number of parameters passed to it and
* tells the user how many its got.
* Author: M J Leslie
* Date: 09-Apr-94
*
**************************************************************************/
main(int argc, char *argv[])
{
switch (argc) /* Switch evaluates an expression (argc) */
{
/* If expression resolves to 1, jump here */
case 1:
puts("Only the command was entered.");
break; /* break - cases the execution to jump
out of the 'switch' block. */
/* If expression resolves to 2, jump here */
case 2:
puts("Command plus one parm entered");
break;
/* If expression resolves to 3, jump here */
case 3:
puts("Command plus two parm entered");
break;
/* Any other value jumps here. */
default:
printf("Command plus %d parms entered\n", argc-1);
break;
}
}
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