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In the C programming language, ... unsigned, short, ... (cstddef in C++). size_t is an unsigned integer type used to represent the size of any object ...
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
In C and C++ short, long, and long long types are required to be at least 16, 32, and 64 bits wide, respectively, but can be more. The int type is required to be at least as wide as short and at most as wide as long , and is typically the width of the word size on the processor of the machine (i.e. on a 32-bit machine it is often 32 bits wide ...
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.
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
Almost all programming languages supply one or more integer data types. They may either supply a small number of predefined subtypes restricted to certain ranges (such as short and long and their corresponding unsigned variants in C/C++); or allow users to freely define subranges such as 1..12 (e.g. Pascal/Ada). If a corresponding native type ...
C accommodates different sizes and signed and unsigned modes for integers by using modifiers such as long, short, signed, unsigned, etc. The exact meaning of the resulting integer type is machine-dependent, what can be guaranteed is that long int is no shorter than int and int is no shorter than short int.
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.