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Storage of Basic Types

The following table summarizes the storage associated with each basic type.

Sizes of Fundamental Types
Type Storage

char, unsigned char, signed char

1 byte

short, unsigned short

2 bytes

int, unsigned int

4 bytes

long, unsigned long

4 bytes

float

4 bytes

double

8 bytes

long double

8 bytes

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.

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