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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.
Only statements referenced elsewhere required a line number: Line 1 specifies a format pattern for input; the READ command in line 2 and the later PRINT command both reference this line. The DO loop executes line 3. The arithmetic IF statement branches to line 4 on a negative value, line 3 on zero, and again line 3 on a positive value.
In computing, the reset vector is the default location a central processing unit will go to find the first instruction it will execute after a reset. The reset vector is a pointer or address , where the CPU should always begin as soon as it is able to execute instructions.
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. 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 ...
The code in a basic block has: One entry point, meaning that no code within it is the destination of a jump instruction anywhere in the program.; One exit point, meaning that only the last instruction can cause the program to begin executing code in a different basic block.
In object-oriented programming, the iterator pattern is a design pattern in which an iterator is used to traverse a container and access the container's elements. The iterator pattern decouples algorithms from containers; in some cases, algorithms are necessarily container-specific and thus cannot be decoupled.
In computer science, bounds-checking elimination is a compiler optimization useful in programming languages or runtime systems that enforce bounds checking, the practice of checking every index into an array to verify that the index is within the defined valid range of indexes. [1]
A function may contain multiple epilogues. Every function exit point must either jump to a common epilogue at the end, or contain its own epilogue. Therefore, programmers or compilers often use the combination of leave and ret to exit the function at any point. (For example, a C compiler would substitute a return statement with a leave/ret ...