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LOCALECONV (3) | C library functions | Unix Manual Pages | :man

NAME

localeconv - natural language formatting for C

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards
History

LIBRARY


.Lb libc

SYNOPSIS


.In locale.h struct lconv * localeconv "void"

DESCRIPTION

The localeconv function returns a pointer to a structure which provides parameters for formatting numbers, especially currency values:
struct lconv {
char *decimal_point;
char *thousands_sep;
char *grouping;
char *int_curr_symbol;
char *currency_symbol;
char *mon_decimal_point;
char *mon_thousands_sep;
char *mon_grouping;
char *positive_sign;
char *negative_sign;
char int_frac_digits;
char frac_digits;
char p_cs_precedes;
char p_sep_by_space;
char n_cs_precedes;
char n_sep_by_space;
char p_sign_posn;
char n_sign_posn;
char int_p_cs_precedes;
char int_n_cs_precedes;
char int_p_sep_by_space;
char int_n_sep_by_space;
char int_p_sign_posn;
char int_n_sign_posn;
};

The individual fields have the following meanings:

decimal_point The decimal point character, except for currency values, cannot be an empty string.
thousands_sep The separator between groups of digits before the decimal point, except for currency values.
grouping The sizes of the groups of digits, except for currency values. This is a pointer to a vector of integers, each of size
.Vt char , representing group size from low order digit groups to high order (right to left). The list may be terminated with 0 or CHAR_MAX. If the list is terminated with 0, the last group size before the 0 is repeated to account for all the digits. If the list is terminated with CHAR_MAX, no more grouping is performed.
int_curr_symbol The standardized international currency symbol.
currency_symbol The local currency symbol.
mon_decimal_point
The decimal point character for currency values.
mon_thousands_sep
The separator for digit groups in currency values.
mon_grouping Like grouping but for currency values.
positive_sign The character used to denote nonnegative currency values, usually the empty string.
negative_sign The character used to denote negative currency values, usually a minus sign.
int_frac_digits The number of digits after the decimal point in an international-style currency value.
frac_digits The number of digits after the decimal point in the local style for currency values.
p_cs_precedes 1 if the currency symbol precedes the currency value for nonnegative values, 0 if it follows.
p_sep_by_space 1 if a space is inserted between the currency symbol and the currency value for nonnegative values, 0 otherwise.
n_cs_precedes Like p_cs_precedes but for negative values.
n_sep_by_space Like p_sep_by_space but for negative values.
p_sign_posn The location of the positive_sign with respect to a nonnegative quantity and the currency_symbol, coded as follows:

0 Parentheses around the entire string.
1 Before the string.
2 After the string.
3 Just before currency_symbol.
4 Just after currency_symbol.
n_sign_posn
Like p_sign_posn but for negative currency values.
int_p_cs_precedes
Same as p_cs_precedes, but for internationally formatted monetary quantities.
int_n_cs_precedes
Same as n_cs_precedes, but for internationally formatted monetary quantities.
int_p_sep_by_space
Same as p_sep_by_space, but for internationally formatted monetary quantities.
int_n_sep_by_space
Same as n_sep_by_space, but for internationally formatted monetary quantities.
int_p_sign_posn
Same as p_sign_posn, but for internationally formatted monetary quantities.
int_n_sign_posn
Same as n_sign_posn, but for internationally formatted monetary quantities.

Unless mentioned above, an empty string as a value for a field indicates a zero length result or a value that is not in the current locale. A CHAR_MAX result similarly denotes an unavailable value.

RETURN VALUES

The localeconv function returns a pointer to a static object which may be altered by later calls to setlocale(3) or localeconv.

ERRORS

No errors are defined.

SEE ALSO

setlocale(3), strfmon(3)

STANDARDS

HISTORY


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