Type Name

Bytes

Range of Values

(signed) byte

1

-128 to 127

unsigned byte

1

0 to 255

(signed) short

2

-32,768 to 32,767

unsigned short

2

0 to 65,535

(signed) long

4

-2,147,483,648 to 2,147,483,647

unsigned long

4

0 to 4,294,967,295

(signed) quad

8

-9223372036854775808 to 9223372036854775807

unsigned quad

8

0 to 18446744073709551616

float

4

3.4E +/- 38

double

8

1.7E +/- 308

long double

10

1.2E +/- 4932