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However, hex escape sequences longer than two hex digits might be useful inside a wide character or wide string literal (prefixed with L): // single char with value 0x12 (18 decimal) char s1 [] = " \x12 " ; // single char with implementation-defined value, unless char is long enough char s1 [] = " \x1234 " ; // single wchar_t with value 0x1234 ...
UTF-8 (u8) character literals [10] [13] (UTF-8 string literals have existed since C++11; C++17 adds the corresponding character literals for consistency, though as they are restricted to a single byte they can only store "Basic Latin" and C0 control codes, i.e. ASCII) Hexadecimal floating-point literals [14] [15]
In C and many derivative programming languages, a string escape sequence is a series of two or more characters, starting with a backslash \. [3]Note that in C a backslash immediately followed by a newline does not constitute an escape sequence, but splices physical source lines into logical ones in the second translation phase, whereas string escape sequences are converted in the fifth ...
Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.
Select a single character from one of the alternative character sets. SS2 selects the G2 character set, and SS3 selects the G3 character set. [13] In a 7-bit environment, this is followed by one or more GL bytes (0x20–0x7F) specifying a character from that set. [12]: 9.4 In an 8-bit environment, these may instead be GR bytes (0xA0–0xFF).
S-record (Motorola hex) Arbitrary: 49.6%: C library, C++: Typically used to program EPROM, NOR flash memory chips. 49.6% assumes 255 binary bytes per record. Tektronix hex: Arbitrary: Typically used to program EPROM, NOR flash memory chips. TxMS: Hexadecimal ~32%: Node.js (and CLI) Used to transmit Blockchain transactions via SMS using UTF-16BE ...
char (character). p: void* (pointer to void) in an implementation-defined format. a, A: double in hexadecimal notation, starting with 0x or 0X. a uses lower-case letters, A uses upper-case letters. [20] [21] (C++11 iostreams have a hexfloat that works the same). n: Print nothing, but writes the number of characters written so far into an ...
Converts Unicode character codes, always given in hexadecimal, to their UTF-8 or UTF-16 representation in upper-case hex or decimal. Can also reverse this for UTF-8. The UTF-16 form will accept and pass through unpaired surrogates e.g. {{#invoke:Unicode convert|getUTF8|D835}} → D835.