Discussion
The declaration "unsigned u" indicates u is a/an
Answer: B
Correct answer: unsigned integer
In C the type specifiers may be abbreviated, and unsigned alone means unsigned int. Similarly signed alone, short alone and long alone all mean the corresponding int type.
An unsigned character would have to be written unsigned char, which is a distinct type - and one that must be written out in full, since char is the only type whose signedness is implementation-defined and which therefore has three distinct spellings.
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