tmpnam

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NAME

       tmpnam - create a name for a temporary file


SYNOPSIS

       #include <stdio.h>

       char *tmpnam(char *s);


DESCRIPTION

       The  tmpnam()  function generates a unique temporary file-
       name using the path prefix P_tmpdir defined in  <stdio.h>.
       If the argument s is NULL, tmpnam() returns the address of
       an internal static area which holds the filename, which is
       overwritten  by subsequent calls to tmpnam().  If s is not
       NULL, the filename is returned in s.


RETURN VALUE

       The tmpnam() function returns a pointer to the unique tem-
       porary filename, or NULL if a unique name cannot be gener-
       ated.


ERRORS

       EEXIST Unable to generate a unique filename.


CONFORMING TO

       SVID 3, POSIX, BSD 4.3, ISO 9899


SEE ALSO

       mktemp(3), mkstemp(3), tempnam(3), tmpfile(3)
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