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A string is defined as a contiguous sequence of code units terminated by the first zero code unit (often called the NUL code unit). [1] This means a string cannot contain the zero code unit, as the first one seen marks the end of the string. The length of a string is the number of code units before the zero code unit. [1]
The symbol -, known in Unicode as hyphen-minus, is the form of hyphen most commonly used in digital documents. On most keyboards, it is the only character that resembles a minus sign or a dash, so it is also used for these. [1] The name hyphen-minus derives from the original ASCII standard, [2] where it was called hyphen (minus). [3]
String functions are used in computer programming languages to manipulate a string or query information about a string (some do both). Most programming languages that have a string datatype will have some string functions although there may be other low-level ways within each language to handle strings directly. In object-oriented languages ...
The hyphen ‐ is a punctuation mark used to join words and to separate syllables of a single word. The use of hyphens is called hyphenation. [1]The hyphen is sometimes confused with dashes (en dash –, em dash — and others), which are wider, or with the minus sign −, which is also wider and usually drawn a little higher to match the crossbar in the plus sign +.
In typography, a bullet or bullet point, •, is a typographical symbol or glyph used to introduce items in a list.For example: Red; Green; Blue; The bullet symbol may take any of a variety of shapes, such as circular, square, diamond or arrow.
The main function serves a special purpose in C programs; the run-time environment calls the main function to begin program execution. The type specifier int indicates that the value returned to the invoker (in this case the run-time environment) as a result of evaluating the main function, is an integer.
In some of these languages, this syntax is a here document or "heredoc": A token representing the string is put in the middle of a line of code, but the code continues after the starting token and the string's content doesn't appear until the next line. In other languages, the string's content starts immediately after the starting token and the ...
This is misleading in the article. C doesn't have a function to uppercase a whole string. toupper() takes and returns an integer as its arguments, NOT strings. It's prototype: int toupper(int c); If c is a lowercase letter (a-z), topupper() returns the uppercase version (A-Z).