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int linkinfo (string path)
Linkinfo() returns the st_dev field of the UNIX C stat structure returned by the lstat system call. This function is used to verify if a link (pointed to by path) really exists (using the same method as the S_ISLNK macro defined in stat.h). Returns 0 or FALSE in case of error.
See also symlink(), link(), and readlink().
Note: This function does not work on Windows systems
