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Project 10 roster.c maintains a roster for a sports team

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Project 10
The program roster.c maintains a roster for a sports team. Each player has a last name, first
name, and a number. Complete the program so it uses a dynamically allocated linked list to store
the roster and have the following functions:
1. append_to_list: ask the user to enter player’s last name, first name and number, then add
the player to the end of the linked list.
a. It should check whether the player has already existed by number. If so, the function
should print a message and exit.
b. If the player does not exist, allocate memory for the player, store the data, and append
the player to the end of the linked list.
c. If the list is empty, the function should return the pointer to the newly created player.
d. Otherwise, add the player to the end of the linked list and return the pointer to the
linked list.
2. find_player: find the player by number, print the player’s last name and first name in the
format “last name, first name”. If the player is not found, print a message.
3. printList: print the name and number of all the players.
4. clearList: when the user exists the program, all the memory allocated for the linked list
should be deallocated.
Note: use read_line function included in the program for reading in last names and first names.
Grading
Total points: 100
1. A program that does not compile will result in a zero.
2. Runtime error and compilation warning 5%
3. Commenting and style 15%
4. Functionality 80%:
a. Function implementation meets the requirement.
b. Function process the linked list by using the malloc and free function properly.
Before you submit
1. Compile with –Wall. Be sure it compiles on circe with no errors and no warnings.
gcc –Wall roster.c
2. Be sure your Unix source file is read & write protected. Change Unix file permission on Unix:
chmod 600 roster.c
3. Test your program with Unix Shell script try_roster
chmod +x try_roster
./try_roster
4. Submit roster.c on Canvas.
Programming Style Guidelines
The major purpose of programming style guidelines is to make programs easy to read and understand.
Good programming style helps make it possible for a person knowledgeable in the application area
to quickly read a program and understand how it works.
1. Your program should begin with a comment that briefly summarizes what it does. This
comment should also include your name.
2. In most cases, a function should have a brief comment above its definition describing what it
does. Other than that, comments should be written only needed in order for a reader to
understand what is happening.
3. Information to include in the comment for a function: name of the function, purpose of the
function, meaning of each parameter, description of return value (if any), description of side
effects (if any, such as modifying external variables)
4. Variable names and function names should be sufficiently descriptive that a knowledgeable
reader can easily understand what the variable means and what the function does. If this is not
possible, comments should be added to make the meaning clear.
5. Use consistent indentation to emphasize block structure.
6. Full line comments inside function bodies should conform to the indentation of the code where
they appear.
7. Macro definitions (#define) should be used for defining symbolic names for numeric constants.
For example: #define PI 3.141592
8. Use names of moderate length for variables. Most names should be between 2 and 12 letters
long.
9. Use underscores to make compound names easier to read: tot_vol or total_volumn is
clearer than totalvolumn.

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