Return a string with the name of the character encoding used in the selected locale, such as "UTF-8", "ISO-8859-1", or "ANSI_X3.4-1968" (better known as US-ASCII). This is the same string that you get with "locale charmap". For a list of character encoding names, try "locale −m", cf. locale(1).

Return a string that can be used as a format string for strftime(3) to represent time and date in a locale-specific way.

Return a string that can be used as a format string for strftime(3) to represent a date in a locale-specific way.

Return a string that can be used as a format string for strftime(3) to represent a time in a locale-specific way.

Return name of the n-th day of the week.

	Warning
	This follows the US convention DAY_1 = Sunday, not the international convention (ISO 8601) that Monday is the first day of the week.

Return abbreviated name of the n-th day of the week.

Return name of the n-th month.

Return abbreviated name of the n-th month.

Return radix character (decimal dot, decimal comma, etc.).

Return separator character for thousands (groups of three digits).

Return a regular expression that can be used with the regex(3) function to recognize a positive response to a yes/no question.

Return a regular expression that can be used with the regex(3) function to recognize a negative response to a yes/no question.

Return the currency symbol, preceded by "−" if the symbol should appear before the value, "+" if the symbol should appear after the value, or "." if the symbol should replace the radix character.