0x63

0x63 is a hexadecimal numeral prefixed with 0x, denoting the integer value 99 in decimal. The 0x prefix is used in many programming languages to indicate hex literals.

In the ASCII character set, the decimal value 99 maps to the lowercase letter 'c'. The corresponding Unicode code point is U+0063, which represents the Latin small letter c.

In practical terms, 0x63 in a program usually represents the numeric 99, unless interpreted as a byte representing the ASCII character 'c' when used in text data. This duality reflects how hex values correspond to both numeric data and encoded text.

0x63 appears in various contexts as a common example for illustrating hex notation, byte values, and basic conversions between decimal, hex, and character encodings. It is not itself a standard identifier with a specific meaning beyond its numeric value, but it serves as a convenient reference in teaching and debugging scenarios.

See also: hexadecimal numeral systems, ASCII, Unicode, and hex literals in programming languages.