Data Types
From wikipost
Jump to navigationJump to searchInteger types having exactly the specified width
Name | Short | Size | Range |
typedef signed char | int8_t | 1 byte | -128 to 127 |
typedef unsigned char (aka byte) | uint8_t | 1 byte | 0 to 255 |
typedef signed short | 2 bytes | -32768 to 32767 | |
typedef unsigned short | 2 bytes | 0 to 65535 | |
typedef signed int | int16_t | 2 bytes | -2147483648 to 2147483647 |
typedef unsigned int | uint16_t | 2 bytes | 0 to 4294967295 |
typedef signed long int | int32_t | 4 bytes | -2147483648 to 2147483647 |
typedef unsigned long int | uint32_t | 4 bytes | 0 to 4294967295 |
typedef signed long long int | int64_t | 8 bytes | |
typedef unsigned long long int | uint64_t | 8 bytes | |
typedef float | 4 bytes | +/- 3.4e +/- 38 (~7 digits) | |
typedef double | 8 bytes | +/- 1.7e +/- 308 (~15 digits) |
short int (short) Short Integer. 2bytes signed: -32768 to 32767
unsigned: 0 to 65535
int Integer. 4bytes signed: -2147483648 to 2147483647
unsigned: 0 to 4294967295
long int (long) Long integer. 4bytes signed: -2147483648 to 2147483647
unsigned: 0 to 4294967295
bool Boolean value. It can take one of two values: true or false. 1byte true or false
float Floating point number. 4bytes +/- 3.4e +/- 38 (~7 digits)
double Double precision floating point number. 8bytes +/- 1.7e +/- 308 (~15 digits)
long double Long double precision floating point number. 8bytes +/- 1.7e +/- 308 (~15 digits)
wchar_t Wide character. 2 or 4 bytes 1 wide character
See also: