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Value Range Size Default value sbyte ... 8-bit (1-byte) 0: short: System. Int16: integer −32,768 through +32,767 16-bit (2-byte) 0: int: ... In C#, objects are ...
1 byte 8 bits Byte, octet, minimum size of char in C99( see limits.h CHAR_BIT) −128 to +127 0 to 255 2 bytes 16 bits x86 word, minimum size of short and int in C −32,768 to +32,767 0 to 65,535 4 bytes 32 bits x86 double word, minimum size of long in C, actual size of int for most modern C compilers, [8] pointer for IA-32-compatible processors
Common short integer sizes Programming language Data type name Signedness Size in bytes Minimum value Maximum value C and C++: short: signed 2 −32,767 [g] +32,767 unsigned short: unsigned 2 0 65,535 C#: short: signed 2 −32,768 +32,767 ushort: unsigned 2 0 65,535 Java: short: signed 2 −32,768 +32,767 SQL: smallint: signed 2 −32,768 +32,767
size_t is an unsigned integer type used to represent the size of any object (including arrays) in the particular implementation. The operator sizeof yields a value of the type size_t . The maximum size of size_t is provided via SIZE_MAX , a macro constant which is defined in the < stdint.h > header ( cstdint header in C++).
For example, even though most implementations of C and C++ on 32-bit systems define type int to be four octets, this size may change when code is ported to a different system, breaking the code. The exception to this is the data type char, which always has the size 1 in any standards-compliant C implementation
The C standard's aliasing rules state that an object shall have its stored value accessed only by an lvalue expression of a compatible type. [4] The types float and int32_t are not compatible, therefore this code's behavior is undefined .
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.
The actual sizes of short int, int, and long int are available as the constants short max int, max int, and long max int etc. ^b Commonly used for characters. ^c The ALGOL 68, C and C++ languages do not specify the exact width of the integer types short , int , long , and ( C99 , C++11 ) long long , so they are implementation-dependent.