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1. stackoverflow.com › questions › 589575What does the C++ standard say about the size of int, long?

   stackoverflow.com › questions › 589575

   The C++ standard does not specify the size of integral types in bytes, but it specifies a minimum width in bits (see [basic.types.fundamental] p1).You can infer minimum size in bytes from that and the value of the CHAR_BIT macro that defines the number of bits in a byte.

2. en.cppreference.com › w › cppstd::byte - cppreference.com

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   Jul 6, 2024 · std::byte is a distinct type that implements the concept of byte as specified in the C++ language definition. Like unsignedchar, it can be used to access raw memory occupied by other objects (object representation), but unlike unsignedchar, it is not a character type and is not an arithmetic type. std::byte models a mere collection of bits ...

3. stackoverflow.com › questions › 11438794Is the size of C "int" 2 bytes or 4 bytes? - Stack Overflow

   stackoverflow.com › questions › 11438794

   Feb 13, 2014 · The size of an int is really compiler dependent. Back in the day, when processors were 16 bit, an int was 2 bytes. Nowadays, it's most often 4 bytes on a 32-bit as well as 64-bit systems. Still, using sizeof (int) is the best way to get the size of an integer for the specific system the program is executed on.

4. riptutorial.com › cplusplus › exampleC++ Tutorial => Number of bits in a byte

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   In C++, a byte is the space occupied by a char object. The number of bits in a byte is given by CHAR_BIT, which is defined in climits and required to be at least 8. While most modern systems have 8-bit bytes, and POSIX requires CHAR_BIT to be exactly 8, there are some systems where CHAR_BIT is greater than 8 i.e a single byte may be comprised ...

5. en.cppreference.com › w › cppFundamental types - cppreference.com

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   Aug 13, 2024 · Besides the minimal bit counts, the C++ Standard guarantees that 1 == sizeof (char) ≤ sizeof (short) ≤ sizeof (int) ≤ sizeof (long) ≤ sizeof (long long). Note: this allows the extreme case in which bytes are sized 64 bits, all types (including char) are 64 bits wide, and sizeof returns 1 for every type. Floating-point types

6. isocpp.org › wiki › faqStandard C++

   isocpp.org › wiki › faq

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   The C++ language gives the programmer the impression that memory is laid out as a sequence of something C++ calls “bytes.”. Each of these things that the C++ language calls a byte has at least 8 bits, but might have more than 8 bits. The C++ language guarantees that a char* (char pointers) can address individual bytes.

7. People also ask

   How many bits are in a byte in C++?

   • Each of these things that the C++ language calls a byte has at least 8 bits, but might have more than 8 bits. The C++ language guarantees that a char* (char pointers) can address individual bytes. The C++ language guarantees there are no bits between two bytes. This means every bit in memory is part of a byte.

   Standard C++

   isocpp.org/wiki/faq/intrinsic-types

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   What is the minimum size of a byte in C++?

   • The C++ standard does not specify the size of integral types in bytes, but it specifies a minimum width in bits (see [basic.types.fundamental] p1). You can infer minimum size in bytes from that and the value of the CHAR_BIT macro that defines the number of bits in a byte. In all but the most obscure platforms it's 8, and it can't be less than 8.

   What does the C++ standard say about the size of int, long?

   stackoverflow.com/questions/589575/what-does-the-c-standard-say-about-the-size-of-int-long

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   What is the number of bits in a byte?

   • The number of bits in a byte is given by CHAR_BIT, which is defined in climits and required to be at least 8. While most modern systems have 8-bit bytes, and POSIX requires CHAR_BIT to be exactly 8, there are some systems where CHAR_BIT is greater than 8 i.e a single byte may be comprised of 8, 16, 32 or 64 bits.

   C++ - Number of bits in a byte | c++ Tutorial

   riptutorial.com/cplusplus/example/15333/number-of-bits-in-a-byte

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   What is the size of an int in bits in C?

   • The size of an int in bits in C is sizeof (int) * CHAR_BIT. What are the factors that it depends on? The int bit size is commonly 32 or 16 bits. C specified minimum ranges: minimum value for an object of type intINT_MIN -32767 maximum value for an object of type intINT_MAX +32767 C11dr §5.2.4.2.1 1

   Is the size of C "int" 2 bytes or 4 bytes? - Stack Overflow

   stackoverflow.com/questions/11438794/is-the-size-of-c-int-2-bytes-or-4-bytes

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   How many byte is a 16 bit integer?

   • Back in the day, when processors were 16 bit, an int was 2 bytes. Nowadays, it's most often 4 bytes on a 32-bit as well as 64-bit systems. Still, using sizeof (int) is the best way to get the size of an integer for the specific system the program is executed on. EDIT: Fixed wrong statement that int is 8 bytes on most 64-bit systems.

   Is the size of C "int" 2 bytes or 4 bytes? - Stack Overflow

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   What is the byte size of int?

   • If the value is not the one expected by your code, then the byte size of int is different on the current compiler/platform combination. Not just machine dependent, it also depends on the operating system running on the machine. For instance long in Win64 is 4 bytes whereas long in Linux64 is 8 bytes. sizeof (int) can be any value from 1.

   Is the size of C "int" 2 bytes or 4 bytes? - Stack Overflow

   stackoverflow.com/questions/11438794/is-the-size-of-c-int-2-bytes-or-4-bytes

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8. learn.microsoft.com › en-us › cppBuilt-in types (C++) | Microsoft Learn - learn.microsoft.com

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   Aug 16, 2021 · A size modifier specifies the width in bits of the integer representation used. The language supports short, long, and long long modifiers. A short type must be at least 16 bits wide. A long type must be at least 32 bits wide. A long long type must be at least 64 bits wide. The standard specifies a size relationship between the integral types: