Simple C Program

This is a discussion on Simple C Program within the C Programming forums, part of the General Programming Boards category; I'm a newbie, can someone help?
First, I'm getting two errors I can't really find using my compiler.
They read:
...

Simple C Program

They read:
-Local 'choice' is used but never assigned a value. (Line 24)
-Syntax error; found 'end of input' expecting '}'. (Line 36)

Second, on an alternate computer I used, I didn't get any errors but the program basically doesn't work. It outputs the name and reads everything correctly and then I am able to type in text that would be the actual grades. E.g., I just enter an A, B, C, and E to finish it and it just keeps entering a new line no matter what I type in. Can someone help? Thanks in advance.

"Simplicity does not precede complexity, but follows it." -- Alan Perlis
"Testing can only prove the presence of bugs, not their absence." -- Edsger Dijkstra
"The only real mistake is the one from which we learn nothing." -- John Powell