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Manual Pages for UNIX Operating System command usage for man localeconv

Standard C Library Functions localeconv(3C)

NAME

localeconv - get numeric formatting information

SYNOPSIS

#include

struct lconv *localeconv(void);

DESCRIPTION

The localeconv() function sets the components of an object

with type struct lconv (defined in ) with the values appropriate for the formatting of numeric quantities (monetary and otherwise) according to the rules of the current locale (see setlocale(3C)). The definition of struct lconv is given below (the values for the fields in the "C" locale are given in comments).

char *decimal_point; /* "." */

char *thousands_sep; /* "" (zero length string) */

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_MAX */

char frac_digits; /* CHAR_MAX */

char p_cs_precedes; /* CHAR_MAX */

char p_sep_by_space; /* CHAR_MAX */

char n_cs_precedes; /* CHAR_MAX */

char n_sep_by_space; /* CHAR_MAX */

char p_sign_posn; /* CHAR_MAX*/

char n_sign_posn; /* CHAR_MAX */

The following members are also available to SUSv3-conforming

applications. See standards(5)

char int_p_cs_precedes; /* CHAR_MAX */

char int_p_sep_by_space; /* CHAR_MAX */

char int_n_cs_precedes; /* CHAR_MAX */

char int_n_sep_by_space; /* CHAR_MAX */

char int_p_sign_posn; /* CHAR_MAX */

char int_n_sign_posn; /* CHAR_MAX */

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Standard C Library Functions localeconv(3C)

The members of the structure with type char * are strings,

any of which (except decimal_point) can point to a null

string (""), to indicate that the value is not available in the current locale or is of zero length. The members with

type char are non-negative numbers, any of which can be

CHAR_MAX (defined in the header) to indicate that

the value is not available in the current locale. The members are the following:

char *decimal_point The decimal-point character used

to format non-monetary quanti-

ties.

char *thousands_sep The character used to separate

groups of digits to the left of

the decimal-point character in

formatted non-monetary quanti-

ties. char *grouping A string whose elements taken as

one-byte integer values indicate

the size of each group of digits

in formatted non-monetary quanti-

ties.

char *int_curr_symbol The international currency symbol

applicable to the current locale.

The first three characters con-

tain the alphabetic international currency symbol in accordance with those specified in the ISO 4217: 1995 standard. The fourth character (immediately preceding the null byte) is the character

used to separate the interna-

tional currency symbol from the monetary quantity.

char *currency_symbol The local currency symbol appli-

cable to the current locale.

char *mon_decimal_point The decimal point used to format

monetary quantities.

char *mon_thousands_sep The separator for groups of

digits to the left of the decimal

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Standard C Library Functions localeconv(3C)

point in formatted monetary quan-

tities.

char *mon_grouping A string whose elements taken as

one-byte integer values indicate

the size of each group of digits in formatted monetary quantities.

char *positive_sign The string used to indicate a

non-negative-valued formatted

monetary quantity.

char *negative_sign The string used to indicate a

negative-valued formatted mone-

tary quantity.

char int_frac_digits The number of fractional digits

(those to the right of the decimal point) to be displayed in an internationally formatted monetary quantity.

char frac_digits The number of fractional digits

(those to the right of the decimal point) to be displayed in a formatted monetary quantity.

char p_cs_precedes Set to 1 or 0 if the

currency_symbol respectively pre-

cedes or succeeds the value for a

non-negative formatted monetary

quantity.

char p_sep_by_space Set to 0 if no space separates

the currency_symbol or

int_curr_symbol from the value

for a non-negative formatted

monetary quantity. Set to 1 if a space separates the symbol from the value; and set to 2 if a space separates the symbol and the sign string, if adjacent.

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Standard C Library Functions localeconv(3C)

char n_cs_precedes Set to 1 or 0 if the

currency_symbol respectively pre-

cedes or succeeds the value for a

negative formatted monetary quan-

tity.

char n_sep_by_space Set to 0 if no space separates

the currency_symbol or

int_curr_symbol from the value

for a negative formatted monetary quantity. Set to 1 if a space separates the symbol from the value; and set to 2 if a space separates the symbol and the sign string, if adjacent.

char p_sign_posn Set to a value indicating the

positioning of the positive_sign

for a non-negative formatted

monetary quantity.

char n_sign_posn Set to a value indicating the

positioning of the negative_sign

for a negative formatted monetary quantity.

char int_p_cs_precedes Set to 1 or 0 if the

int_curr_symbol respectively pre-

cedes or succeeds the value for a

non-negative internationally for-

matted monetary quantity.

char int_n_cs_precedes Set to 1 or 0 if the

int_curr_symbol respectively pre-

cedes or succeeds the value for a

negative internationally format-

ted monetary quantity.

char int_p_sep_by_space Set to a value indicating the

separation of the

int_curr_symbol, the sign string,

and the value for a non-negative

internationally formatted mone-

tary quantity.

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Standard C Library Functions localeconv(3C)

char int_n_sep_by_space Set to a value indicating the

separation of the

int_curr_symbol, the sign string,

and the value for a negative

internationally formatted mone-

tary quantity.

char int_p_sign_posn Set to a value indicating the

positioning of the positive_sign

for a non-negative internation-

ally formatted monetary quantity.

char int_n_sign_posn Set to a value indicating the

positioning of the negative_sign

for a negative internationally formatted monetary quantity.

The elements of grouping and mon_grouping are interpreted

according to the following:

{CHAR_MAX} No further grouping is to be performed.

0 The previous element is to be repeatedly used for the remainder of the digits. other The integer value is the number of digits that comprise the current group. The next element is examined to determine the size of the next group of digits before the current group.

The values of p_sep_by_space, n_sep_by_space,

int_p_sep_by_space, and int_n_sep_by_space are interpreted

according to the following: 0 No space separates the currency symbol and value. 1 If the currency symbol and sign string are adjacent, a space separates them from the value; otherwise, a space separates the currency symbol from the value. 2 If the currency symbol and sign string are adjacent, a space separates them; otherwise, a space separates the

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Standard C Library Functions localeconv(3C)

sign string from the value.

In an SUSv3-conforming application, for int_p_sep_by_space

and int_n_sep_by_space, the fourth character of

int_curr_symbol is used instead of a space.

The values of p_sign_posn, n_sign_posn, int_p_sign_posn, and

int_n_sign_posn are interpreted according to the following:

0 Parentheses surround the quantity and currency_symbol

or int_curr_symbol.

1 The sign string precedes the quantity and

currency_symbol or int_curr_symbol.

2 The sign string succeeds the quantity and

currency_symbol or int_curr_symbol.

3 The sign string immediately precedes the

currency_symbol or int_curr_symbol.

4 The sign string immediately succeeds the

currency_symbol or int_curr_symbol.

RETURN VALUES

The localeconv() function returns a pointer to the filled-in

object. The structure pointed to by the return value may be

overwritten by a subsequent call to localeconv().

EXAMPLES

Example 1 Rules used by four countries to format monetary quantities.

The following table illustrates the rules used by four coun-

tries to format monetary quantities. Country Positive Negative International

___________________________________________________________________

Italy (IT) L.1.234 -L.1.234 ITL.1.234

___________________________________________________________________

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Standard C Library Functions localeconv(3C)

Netherlands (NE) F 1.234,56 F -1.234,56 NLG 1.234,56

___________________________________________________________________

Norway (NO) kr1.234,56 kr1.234,56- NOK 1.234,56

___________________________________________________________________

Switzerland (SW) SFrs.1,234.56 SFrs.1,234.56C CHF 1,234.56 | | | | | | | | | For these four c|ountries, the r|espective values| for the monetary member|s of the structu|re returned by lo|caleconv() are as follows: | | | | | | | | | | | | | | | | | | IT NE NO SW

int_curr_symbol | | | "ITL." "NLG " "NOK " "CHF "

currency_symbol | | | "L." "F" "kr" "SFrs."

mon_decimal_poin|t | | "" "," "," "."

mon_thousands_se|p | | "." "." "." ","

mon_grouping | | | "\3" "\3" "\3" "\3"

positive_sign | | | "" "" "" ""

negative_sign | | | "-" "-" "-" "C"

int_frac_digits | | | 0 2 2 2

frac_digits | | | 0 2 2 2

p_cs_precedes | | | 1 1 1 1

p_sep_by_space | | | 0 1 0 0

n_cs_precedes | | | 1 1 1 1

n_sep_by_space | | | 0 1 0 0

p_sign_posn | | | 1 1 1 1

n_sign_posn | | | 1 4 2 2

int_p_cs_precede|s | | 1 1 1 1

int_n_cs_precede|s | | 1 1 1 1

int_p_sep_by_spa|ce | | 0 0 0 0

int_n_sep_by_spa|ce | | 0 0 0 0

int_p_sign_posn | | | 1 1 1 1

int_n_sign_posn | | | 1 4 4 2

| | | | | |

ATTRIBUTES | | |

See attributes(5|) for description|s of the followi|ng attri-

butes: | | | | | | | | | | | | | | | | | | | | |

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Standard C Library Functions localeconv(3C)

____________________________________________________________

| ATTRIBUTE TYPE | ATTRIBUTE VALUE |

|_____________________________|_____________________________|

| CSI | Enabled |

|_____________________________|_____________________________|

| Interface Stability | Committed |

|_____________________________|_____________________________|

| MT-Level | MT-Safe with exceptions |

|_____________________________|_____________________________|

| Standard | See standards(5). |

|_____________________________|_____________________________|

The localeconv() function can be used safely in mul-

tithreaded applications, as long as setlocale(3C) is not being called to change the locale.

SEE ALSO

setlocale(3C), attributes(5), environ(5), standards(5)

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