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The C programming language manages memory statically, automatically, or dynamically.Static-duration variables are allocated in main memory, usually along with the executable code of the program, and persist for the lifetime of the program; automatic-duration variables are allocated on the stack and come and go as functions are called and return.
On many common platforms, this use of pointer punning can create problems if different pointers are aligned in machine-specific ways. Furthermore, pointers of different sizes can alias accesses to the same memory, causing problems that are unchecked by the compiler. Even when data size and pointer representation match, however, compilers can ...
In computer science, pointer analysis, or points-to analysis, is a static code analysis technique that establishes which pointers, or heap references, can point to which variables, or storage locations.
IBM later added tagged pointer support to the PowerPC architecture to support the IBM i operating system, which is an evolution of the System/38 platform. [3] A significant example of the use of tagged pointers is the Objective-C runtime on iOS 7 on ARM64, notably used on the iPhone 5S. In iOS 7, virtual addresses only contain 33 bits of ...
The Power of 10 Rules were created in 2006 by Gerard J. Holzmann of the NASA/JPL Laboratory for Reliable Software. [1] The rules are intended to eliminate certain C coding practices which make code difficult to review or statically analyze.
With Olympic flag football three years away, this much is becoming clear: the U.S. team should want a former LSU receiver on its roster. The four ex-Tigers competing in the Pro Bowl Games scored a ...
He has authored several books on C, C++, VC++, C#, .NET, DirectX and COM programming. He is also a speaker on various technology subjects and is a regular columnist for Express Computers and Developer 2.0. His best-known books include Let Us C, Understanding Pointers In C and Test Your C Skills.
Background Chlorine and caustic soda are produced at chlor-alkali plants using mercury cells or the increasingly popular membrane technology that is mercury free and more energy-