Modifiers: unsigned, short and long

Integers (and in some cases characters) can be adjusted with the modifiers: unsigned, short and long. These can be used to either restrict or widen the used data type:

unsigned int	An integer value represented with as many bits as int. range: 0 and all positives
short int	An integer value represented with at most as many bits as int. range: negatives and positives
long int	An integer value represented with at least as many bits as int. range: negatives and positives
unsigned short int	like short int range: 0 and positives
unsigned long int	like long int range: 0 and positives

it depends on the processor used with how many bits are used to represent each type.

Reference: bilmuh, msdn, faqts

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