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Storage of Basic Types
The following table summarizes the storage associated with each basic type.
char, unsigned char, signed char
short, unsigned short
int, unsigned int
long, unsigned long
The C data types fall into general categories. The "integral types" include char, int, short, long, signed, unsigned, and enum. The "floating types" include float, double, and long double. The "arithmetic types" include all floating and integral types.