mrd_position - Position a transport to an element.

    Windows NT         mrd.dll
    UNIX               /usr/lib/libmrd.a
    OpenVMS            MRD$RTL.EXE

    #include <mrd_common.h>
    #include <mrd_message.h>
    int mrd_position(
        const char   *robot_name,
        const char   *transport,
        const char   *element,
        const int     element_type,
        const int     cartridge_side,
        char         *log_info) ;