On Alpha and Integrity server systems, sets a simple value
    associated with a process.

    Format

      SYS$SET_PROCESS_PROPERTIESW  mbz1 ,pidadr ,prcnam ,property

                                   ,value ,prev_value [,bufsiz

                                   ,bufcnt ,flags]

    C Prototype

      int sys$set_process_propertiesw  (mbz1, unsigned int *pidadr,

                                       unsigned int *prcnam, unsigned

                                       int property, unsigned __int64

                                       value, unsigned __int64

                                       *prev_value,...);