#include <libintl.h>

       char * bindtextdomain (const char * domainname, const char * dirname);

       The  bindtextdomain  function  sets the base directory of the hierarchy
       containing message catalogs for a given message domain.

       A message domain is a set  of  translatable  msgid  messages.  Usually,
       every software package has its own message domain. The need for calling
       bindtextdomain arises because packages are not  always  installed  with
       the  same  prefix  as  the  <libintl.h>  header  and  the  libc/libintl

       Message catalogs will be expected at the pathnames dirname/locale/cate-
       gory/,  where  locale  is  a locale name and category is a
       locale facet such as LC_MESSAGES.

       domainname must be a non-empty string.

       If dirname is not NULL, the base directory for message catalogs belong-
       ing  to  domain domainname is set to dirname. The function makes copies
       of the argument strings as needed. If the program wishes  to  call  the
       chdir  function,  it is important that dirname be an absolute pathname;
       otherwise it cannot be guaranteed that the  message  catalogs  will  be

       If dirname is NULL, the function returns the previously set base direc-
       tory for domain domainname.

       If successful, the bindtextdomain function  returns  the  current  base
       directory  for  domain  domainname,  after  possibly  changing  it. The
       resulting string is valid until the next bindtextdomain  call  for  the
       same  domainname and must not be modified or freed. If a memory alloca-
       tion failure occurs, it sets errno to ENOMEM and returns NULL.

       The following error can occur, among others:

       ENOMEM Not enough memory available.

       The return type ought to be const char *, but is char * to avoid  warn-
       ings in C code predating ANSI C.

       gettext(3),   dgettext(3),   dcgettext(3),  ngettext(3),  dngettext(3),
       dcngettext(3), textdomain(3), realpath(3)
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