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nl_types.h(0P) POSIX Programmer's Manual nl_types.h(0P)

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

nl_types.h — data types

#include <nl_types.h>

The <nl_types.h> header shall define at least the following types:
Used by the message catalog functions catopen(), catgets(), and catclose() to identify a catalog descriptor.
Used by nl_langinfo() to identify items of langinfo data. Values of objects of type nl_item are defined in <langinfo.h>.

The <nl_types.h> header shall define at least the following symbolic constants:

Used by gencat when no $set directive is specified in a message text source file. This constant can be passed as the value of set_id on subsequent calls to catgets() (that is, to retrieve messages from the default message set). The value of NL_SETD is implementation-defined.
Value that must be passed as the oflag argument to catopen() to ensure that message catalog selection depends on the LC_MESSAGES locale category, rather than directly on the LANG environment variable.

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

int       catclose(nl_catd);
char     *catgets(nl_catd, int, int, const char *);
nl_catd   catopen(const char *, int);

The following sections are informative.





The System Interfaces volume of POSIX.1‐2008, catclose(), catgets(), catopen(), nl_langinfo()

The Shell and Utilities volume of POSIX.1‐2008, gencat

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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 original Standard can be obtained online at .

Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see .

2013 IEEE/The Open Group