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I do consider assignment statements and pointer variables to be among computer science's "most valuable treasures." Donald Knuth, Structured Programming...72 KB (9,678 words) - 04:54, 20 March 2025
Dangling pointers and wild pointers in computer programming are pointers that do not point to a valid object of the appropriate type. These are special...14 KB (1,824 words) - 22:29, 2 April 2025- In computing, a null pointer or null reference is a value saved for indicating that the pointer or reference does not refer to a valid object. Programs...16 KB (2,066 words) - 02:49, 27 May 2025
- A function pointer, also called a subroutine pointer or procedure pointer, is a pointer referencing executable code, rather than data. Dereferencing the...17 KB (2,324 words) - 03:06, 6 April 2025
- computer programming, an opaque pointer is a special case of an opaque data type, a data type declared to be a pointer to a record or data structure of...10 KB (996 words) - 07:36, 5 April 2023
- Const (computer programming) (redirect from "Cray" pointer)pointers to pointers: int **ptr; // a pointer to a pointer to ints int const **ptr // a pointer to a pointer to constant int value // (not a pointer to...45 KB (5,579 words) - 02:47, 9 January 2025
- Cursor (user interface) (redirect from Mouse pointer)display device that will respond to input, such as a text cursor or a mouse pointer. Cursor is Latin for 'runner'. A cursor is a name given to the transparent...23 KB (2,855 words) - 13:08, 10 May 2025
- In computer science, a tagged pointer is a pointer (concretely a memory address) with additional data associated with it, such as an indirection bit or...11 KB (1,526 words) - 09:38, 10 May 2025
- in pointer declarations. By adding this type qualifier, a programmer hints to the compiler that for the lifetime of the pointer, no other pointer will...7 KB (934 words) - 08:20, 10 May 2025
dangling pointers. The use of pointers and the direct manipulation of memory means corruption of memory is possible, perhaps due to programmer error, or...101 KB (11,185 words) - 21:22, 28 May 2025- X86 memory models (redirect from Near pointer)complicates the comparison of pointers to different segments. Pointer formats are known as near, far, or huge. Near pointers are 16-bit offsets within the...8 KB (912 words) - 19:53, 18 April 2025
- Call stack (redirect from Frame pointer)decrement of the stack pointer. At function return, the stack pointer is instead restored to the frame pointer, the value of the stack pointer just before the...26 KB (3,658 words) - 02:22, 5 April 2025
Program counter (redirect from Instruction pointer)The program counter (PC), commonly called the instruction pointer (IP) in Intel x86 and Itanium microprocessors, and sometimes called the instruction...12 KB (1,382 words) - 01:18, 14 April 2025- language consists of only eight simple commands, a data pointer, and an instruction pointer. Brainfuck is an example of a so-called Turing tarpit: it...18 KB (1,884 words) - 13:48, 18 March 2025
Buffer overflow (redirect from Pointer protection)burden on the programmer to know when its use is necessary. Because XOR is linear, an attacker may be able to manipulate an encoded pointer by overwriting...46 KB (5,132 words) - 08:55, 25 May 2025- Aliasing (computing) (redirect from Pointer aliasing)with more than one name (for example, with pointers). This is a common problem with functions that accept pointer arguments, and their tolerance (or the lack...8 KB (956 words) - 02:47, 28 November 2024
- programs, a loose pointer can still cause strange behaviour within the application. The term presumably comes from the programmer imagining the program...1 KB (131 words) - 18:05, 9 February 2022
- *oval; Pointers may also be declared for pointer data types, thus creating multiple indirect pointers, such as char ** and int ***, including pointers to...34 KB (3,301 words) - 13:34, 14 March 2025
- Cyclone (programming language) (section Pointer types)disallowed Pointer-returning functions must execute return setjmp and longjmp are not supported To maintain the tool set that C programmers are used to...11 KB (1,181 words) - 03:20, 13 April 2025
stack may be implemented as, for example, a singly linked list with a pointer to the top element. A stack may be implemented to have a bounded capacity...40 KB (4,727 words) - 00:02, 29 May 2025
- structure itself. There is no requirement for pointer variables, for pointers to data of unknown type, nor for pointers to variables. B.1.d Two types of reals
- Programming (redirect from Programmer)named once passed a pointer to JavaScript, stored it as a string and later passed it back to C, killing 30. Blake Ross Real Programmers always confuse Christmas
- some are not. In order to access the information pointed to by a pointer, a programmer must use the dereference operator (also the asterisk) to denote