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2. C data types - Wikipedia

   en.wikipedia.org/wiki/C_data_types

   The C language provides the four basic arithmetic type specifiers char, int, float and double (as well as the boolean type bool), and the modifiers signed, unsigned, short, and long. The following table lists the permissible combinations in specifying a large set of storage size-specific declarations.

3. Signedness - Wikipedia

   en.wikipedia.org/wiki/Signedness

   For Integers, the unsigned modifier defines the type to be unsigned. The default integer signedness outside bit-fields is signed, but can be set explicitly with signed modifier. By contrast, the C standard declares signed char, unsigned char, and char, to be three distinct types, but specifies that all three must have the same size and alignment.

4. Comparison of programming languages (basic instructions)

   en.wikipedia.org/wiki/Comparison_of_programming...

   ^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. 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.

5. Code signing - Wikipedia

   en.wikipedia.org/wiki/Code_signing

   Code signing is the process of digitally signing executables and scripts to confirm the software author and guarantee that the code has not been altered or corrupted since it was signed. The process employs the use of a cryptographic hash to validate authenticity and integrity. [ 1 ]

6. C (programming language) - Wikipedia

   en.wikipedia.org/wiki/C_(programming_language)

   This is an accepted version of this page This is the latest accepted revision, reviewed on 30 December 2024. General-purpose programming language "C programming language" redirects here. For the book, see The C Programming Language. Not to be confused with C++ or C#. C Logotype used on the cover of the first edition of The C Programming Language Paradigm Multi-paradigm: imperative (procedural ...

7. Integer (computer science) - Wikipedia

   en.wikipedia.org/wiki/Integer_(computer_science)

   Integral types may be unsigned (capable of representing only non-negative integers) or signed (capable of representing negative integers as well). [1] An integer value is typically specified in the source code of a program as a sequence of digits optionally prefixed with + or −. Some programming languages allow other notations, such as ...

8. Bitwise operations in C - Wikipedia

   en.wikipedia.org/wiki/Bitwise_operations_in_C

   Here blank spaces are generated simultaneously on the left when the bits are shifted to the right. When performed on an unsigned type or a non-negative value in a signed type, the operation performed is a logical shift, causing the blanks to be filled by 0s (zeros).

9. Comparison of Pascal and C - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_Pascal_and_C

   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.