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CIS71 Lab 12 - Noun Plurals (Strings)                                                       DUE: 10AM, Nov 22, 2006

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Scope: String manipulation
Reading: Chapter 9

PartA: Write a function: void plurals(char * noun, char * plural) that takes an input word (noun) and outputs its plural (plural) on the basis of these rules:
a.    If the noun ends in “y”, remove the “y” and add “ies”
b.    If the noun ends in “s”, “ch”, or “sh”, add “es”
c.    In all other cases, just add “s”

Hints: given the string noun, you should first check its length L by using strlen function. Then, you should check if the last letter of noun is ‘y’. If yes, you should copy the first L-1 letters of noun to plural, and concatenate string “ies” to it. If no, you should check if noun ends with “s”, “ch”, or “sh” and make the similar actions. In all other cases, you should just copy noun to plural and then concatenate “s” to its end. You should remember to add null symbol ‘\0’ after the last letter in plural string.

PartB:    
Using the plurals function from PartA, write a program which, in a loop:
1. Prompts user to enter a string and reads it from input
2. Passes the string to function plurals, which finds its plural
3. Prints out the plural string
4. Prompts the user to “do another” by typing “y”, or to quit the program by typing anything else.

Sample Output:
Supply noun:chair
The plural is:chairs
Do Another (y/n)?y
Supply noun:dairy
The plural is:dairies
Do Another (y/n)?y
Supply noun:boss
The plural is:bosses
Do Another (y/n)?y
Supply noun:circus
The plural is:circuses
Do Another (y/n)?y
Supply noun:fly
The plural is:flies
Do Another (y/n)?y
Supply noun:dog
The plural is:dogs
Do Another (y/n)?y
Supply noun:clue
The plural is:clues
Do Another (y/n)?y
Supply noun:dish
The plural is:dishes
Do Another (y/n)?n
Press any key to continue

Deliverables:

Submit your program; attach results of test runs of the program.