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CATOPEN(3) BSD Library Functions Manual CATOPEN(3) NAME catopen -- open message catalog LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <nl_types.h> nl_catd catopen(const char *name, int oflag); DESCRIPTION The catopen() function opens the message catalog specified by name and returns a message catalog descriptor. If name contains a `/' then name specifies the full pathname for the message catalog, otherwise the value of the environment variable NLSPATH is used with the following substitu-tions: substitutions: tions: %N The value of the name argument. %L The value of the LANG environment variable or the LC_MESSAGES cate-gory category gory (see below). %l The language element from the LANG environment variable or from the LC_MESSAGES category. %t The territory element from the LANG environment variable or from the LC_MESSAGES category. %c The codeset element from the LANG environment variable or from the LC_MESSAGES category. %% A single % character. An empty string is substituted for undefined values. Path names templates defined in NLSPATH are separated by colons (`:'). A leading or two adjacent colons is equivalent to specifying %N. If the oflag argument is set to the NL_CAT_LOCALE constant, LC_MESSAGES locale category used to open the message catalog; using NL_CAT_LOCALE conforms to the X/Open Portability Guide Issue 4 (``XPG4'') standard. You can specify 0 for compatibility with X/Open Portability Guide Issue 3 (``XPG3''); when oflag is set to 0, the LANG environment variable deter-mines determines mines the message catalog locale. A message catalog descriptor remains valid in a process until that process closes it, or until a successful call to one of the exec(3) func-tion. function. tion. RETURN VALUES Upon successful completion, catopen() returns a message catalog descrip-tor. descriptor. tor. Otherwise, (nl_catd) -1 is returned and errno is set to indicate the error. ERRORS [EINVAL] Argument name does not point to a valid message cata-log. catalog. log. [ENAMETOOLONG] An entire path to the message catalog exceeded 1024 characters. [ENOENT] The named message catalog does not exists, or the name argument points to an empty string. [ENOMEM] Insufficient memory is available. SEE ALSO gencat(1), catclose(3), catgets(3), setlocale(3) STANDARDS The catopen() function conforms to X/Open Portability Guide Issue 4 (``XPG4''). BSD May 29, 1994 BSD |