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NAME
catgets - get message from a message catalog
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <nl_types.h>
char *catgets(nl_catd catalog, int set_number, int message_number,
const char *message);
DESCRIPTION
catgets() reads the message message_number, in set set_number, from the message catalog identified by
catalog, where catalog is a catalog descriptor returned from an earlier call to catopen(3). The fourth
argument, message, points to a default message string which will be returned by catgets() if the
identified message catalog is not currently available. The message-text is contained in an internal
buffer area and should be copied by the application if it is to be saved or modified. The return string
is always terminated with a null byte ('\0').
RETURN VALUE
On success, catgets() returns a pointer to an internal buffer area containing the null-terminated message
string. On failure, catgets() returns the value message.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
┌─────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│ catgets() │ Thread safety │ MT-Safe │
└─────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
POSIX.1-2008.
HISTORY
POSIX.1-2001.
The catgets() function is available only in libc.so.4.4.4c and above.
The Jan 1987 X/Open Portability Guide specifies a more subtle error return: message is returned if the
message catalog specified by catalog is not available, while an empty string is returned when the message
catalog is available but does not contain the specified message. These two possible error returns seem
to be discarded in SUSv2 in favor of always returning message.
SEE ALSO
catopen(3), setlocale(3)
Linux man-pages 6.7 2023-10-31 catgets(3)