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 |
long long , unsigned long long |
8 bytes |
float |
4 bytes |
double |
8 bytes |
long double |
8 bytes |
The C data types fall into general categories. The integral types include int
, char
, short
, long
, and long long
. These types can be qualified with signed
or unsigned
, and unsigned
by itself can be used as shorthand for unsigned int
. Enumeration types (enum
) are also treated as integral types for most purposes. The floating types include float
, double
, and long double
. The arithmetic types include all floating and integral types.
See also
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