Reads the contents of the specified symbolic link and places them
    into a user-supplied buffer.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <unistd.h>

      ssize_t readlink  (const char *restrict link_name, char
                        *restrict user_buffer, size_t buffer_size);

  Additional Information (explode) :

• Arguments
• Description
• Return Values