STRFMON(3)						     Linux Programmer's Manual							STRFMON(3)

NAME

       strfmon - convert monetary value to a string

SYNOPSIS

       #include <monetary.h>

       ssize_t strfmon(char *s, size_t max, const char *format,
       ...);

DESCRIPTION

       The  strfmon()  function  formats the specified amounts according to the format specification format and places the result in the character
       array s of size max.

       Ordinary characters in format are copied to s without conversion.  Conversion specifiers are introduced by  a  `%'  character.  Immediately
       following it there can be zero or more of the following flags:

       =f     The  single-byte	character  f is used as the numeric fill character (to be used with a left precision, see below).  When not speci-
	      fied, the space character is used.

       ^      Do not use any grouping characters that might be defined for the current locale. By default, grouping is enabled.

       ( or + The ( flag indicates that negative amounts should be enclosed between parentheses. The + flag indicates that signs should be handled
	      in the default way, that is, amounts are preceded by the locale's sign indication, e.g., nothing for positive, "-" for negative.

       !      Omit the currency symbol.

       -      Left justify all fields. The default is right justification.

       Next,  there  may  be  a field width: a decimal digit string specifying a minimum field width in bytes. The default is 0.  A result smaller
       than this width is padded with spaces (on the left, unless the left-justify flag was given).

       Next, there may be a left precision of the form "#" followed by a decimal digit string. If the number of digits left of the radix character
       is  smaller  than  this,  the representation is padded on the left with the numeric fill character.  Grouping characters are not counted in
       this field width.

       Next, there may be a right precision of the form "." followed by a decimal digit string. The amount being formatted is rounded to the spec-
       ified  number  of digits prior to formatting.  The default is specified in the frac_digits and int_frac_digits items of the current locale.
       If the right precision is 0, no radix character is printed.  (The radix character here is determined by LC_MONETARY, and  may  differ  from
       that specified by LC_NUMERIC.)

       Finally, the conversion specification must be ended with a conversion character. The three conversion characters are

       %      (In this case the entire specification must be exactly "%%".)  Put a `%' character in the result string.

       i      One argument of type double is converted using the locale's international currency format.

       n      One argument of type double is converted using the locale's national currency format.

RETURN VALUE

       The  strfmon()  function  returns the number of characters placed in the array s, not including the terminating NUL character, provided the
       string, including the terminating NUL, fits.  Otherwise, it sets errno to E2BIG, returns -1, and the contents of the array is undefined.

EXAMPLE

       The call
	      strfmon(buf, sizeof(buf), "[%^=*#6n] [%=*#6i]",
		      1234.567, 1234.567);
       outputs
	      [ fl **1234,57] [ NLG  **1 234,57]
       in the Dutch locale (with fl for "florijnen" and NLG for Netherlands Guilders).	The grouping character is very ugly because  it  takes	as
       much space as a digit, while it should not take more than half that, and will no doubt cause confusion.	Surprisingly, the "fl" is preceded
       and followed by a space, and "NLG" is preceded by one and followed by two spaces.  This may be a bug in the locale files. The Italian, Aus-
       tralian, Swiss and Portuguese locales yield
	      [ L. **1235] [ ITL  **1.235]
	      [ $**1234.57] [ AUD **1,234.57]
	      [Fr. **1234,57] [CHF  **1.234,57]
	      [ **1234$57Esc] [ **1.234$57PTE ]

SEE ALSO

       setlocale(3), sprintf(3), locale(7)

Linux								    2000-12-05								STRFMON(3)