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<locale.h>(P)			    POSIX Programmer's Manual			    <locale.h>(P)

NAME
       locale.h - category macros

SYNOPSIS
       #include <locale.h>

DESCRIPTION
       Some of the functionality described on this reference page extends the ISO C standard. Any
       conflict between the requirements described here and the ISO C standard is  unintentional.
       This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.

       The  <locale.h> header shall provide a definition for lconv structure, which shall include
       at least the following members. (See the definitions of	LC_MONETARY  in  LC_MONETARY  and
       LC_NUMERIC .)

	      char    *currency_symbol
	      char    *decimal_point
	      char     frac_digits
	      char    *grouping
	      char    *int_curr_symbol
	      char     int_frac_digits
	      char     int_n_cs_precedes
	      char     int_n_sep_by_space
	      char     int_n_sign_posn
	      char     int_p_cs_precedes
	      char     int_p_sep_by_space
	      char     int_p_sign_posn
	      char    *mon_decimal_point
	      char    *mon_grouping
	      char    *mon_thousands_sep
	      char    *negative_sign
	      char     n_cs_precedes
	      char     n_sep_by_space
	      char     n_sign_posn
	      char    *positive_sign
	      char     p_cs_precedes
	      char     p_sep_by_space
	      char     p_sign_posn
	      char    *thousands_sep

       The  <locale.h> header shall define NULL (as defined in <stddef.h> ) and at least the fol-
       lowing as macros:

       LC_ALL
       LC_COLLATE
       LC_CTYPE

       LC_MESSAGES

       LC_MONETARY
       LC_NUMERIC
       LC_TIME

       which shall expand to distinct integer constant expressions, for use as the first argument
       to the setlocale() function.

       Additional  macro  definitions, beginning with the characters LC_ and an uppercase letter,
       may also be given here.

       The following shall be declared as functions and may also be defined as	macros.  Function
       prototypes shall be provided.

	      struct  lconv *localeconv (void);
	      char   *setlocale(int, const char *);

       The following sections are informative.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The  System Interfaces volume of IEEE Std 1003.1-2001, localeconv(), setlocale(), Environ-
       ment Variables

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				    <locale.h>(P)
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