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C program source text is free-form code. Semicolons terminate statements, while curly braces are used to group statements into blocks. The C language also exhibits the following characteristics: The language has a small, fixed number of keywords, including a full set of control flow primitives: if/else, for, do/while, while, and switch.
The arrival of Unicode, with a unique code point for every glyph, resolved these issues. ISO/IEC 8859-1 or Latin-1 is the most used and also defines the first 256 codepoints in Unicode. ISO/IEC 8859-15 modifies ISO-8859-1 to fully support Estonian, Finnish and French and add the euro sign.
The C standard library, sometimes referred to as libc, [citation needed] is the standard library for the C programming language, as specified in the ISO C standard. [1] Starting from the original ANSI C standard, it was developed at the same time as the C library POSIX specification , which is a superset of it.
It relates to both computer hardware and computer software. Names of many computer terms, especially computer applications, often relate to the function they perform, e.g., a compiler is an application that compiles (programming language source code into the computer's machine language). However, there are other terms with less obvious origins ...
Complex text layout (CTL) or complex text rendering is the typesetting of writing systems in which the shape or positioning of a grapheme depends on its relation to other graphemes. The term is used in the field of software internationalization , where each grapheme is a character .
A library of executable code has a well-defined interface by which the functionality is invoked. For example, in C, a library function is invoked via C's normal function call capability. The linker generates code to call a function via the library mechanism if the function is available from a library instead of from the program itself. [1]
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For example, using a simple text layout algorithm for Latin text, only switching to a complex layout algorithm for complex scripts, such as Devanagari. Another important technique is caching, particularly memoization, which avoids redundant computations. Because of the importance of caching, there are often many levels of caching in a system ...