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33 .Nd open message catalog
39 .Fn catopen "const char *name" "int oflag"
43 function opens the message catalog specified by
45 and returns a message catalog descriptor.
52 specifies the full pathname for the message catalog, otherwise the value
53 of the environment variable
56 the following substitutions:
65 environment variable or the
69 The language element from the
71 environment variable or from the
75 The territory element from the
77 environment variable or from the
81 The codeset element from the
83 environment variable or from the
90 An empty string is substituted for undefined values.
92 Path names templates defined in
94 are separated by colons
96 A leading or two adjacent colons
97 is equivalent to specifying %N.
101 argument is set to the
105 locale category used to open the message catalog; using
110 You can specify 0 for compatibility with
117 determines the message catalog locale.
119 A message catalog descriptor
120 remains valid in a process until that process closes it, or
121 until a successful call to one of the
125 Upon successful completion,
127 returns a message catalog descriptor.
128 Otherwise, (nl_catd) -1 is returned and
130 is set to indicate the error.
136 does not point to a valid message catalog, or catalog is corrupt.
137 .It Bq Er ENAMETOOLONG
138 An entire path to the message catalog exceeded 1024 characters.
140 The named message catalog does not exists, or the
142 argument points to an empty string.
144 Insufficient memory is available.