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PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT |
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CATGETS(3P) POSIX Programmer's Manual CATGETS(3P)
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.
catgets — read a program message
#include <nl_types.h>
char *catgets(nl_catd catd, int set_id, int msg_id, const char *s);
The catgets() function shall attempt to read message msg_id, in
set set_id, from the message catalog identified by catd. The catd
argument is a message catalog descriptor returned from an earlier
call to catopen(). The results are undefined if catd is not a
value returned by catopen() for a message catalog still open in
the process. The s argument points to a default message string
which shall be returned by catgets() if it cannot retrieve the
identified message.
The catgets() function need not be thread-safe.
If the identified message is retrieved successfully, catgets()
shall return a pointer to an internal buffer area containing the
null-terminated message string. If the call is unsuccessful for
any reason, s shall be returned and errno shall be set to indicate
the error.
The catgets() function shall fail if:
EINTR The read operation was terminated due to the receipt of a
signal, and no data was transferred.
ENOMSG The message identified by set_id and msg_id is not in the
message catalog.
The catgets() function may fail if:
EBADF The catd argument is not a valid message catalog descriptor
open for reading.
EBADMSG
The message identified by set_id and msg_id in the
specified message catalog did not satisfy implementation-
defined security criteria.
EINVAL The message catalog identified by catd is corrupted.
The following sections are informative.
None.
None.
None.
None.
catclose(3p), catopen(3p)
The Base Definitions volume of POSIX.1‐2017, nl_types.h(0p)
Portions of this text are reprinted and reproduced in electronic
form from IEEE Std 1003.1-2017, Standard for Information
Technology -- Portable Operating System Interface (POSIX), The
Open Group Base Specifications Issue 7, 2018 Edition, Copyright
(C) 2018 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 original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
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
https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2017 CATGETS(3P)
Pages that refer to this page: nl_types.h(0p), catclose(3p), catopen(3p)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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