On Alpha and Integrity server systems, allows a process to create
    a global page file section and to map a section of its address
    space to the global section.

    This service accepts 64-bit addresses.

    Format

      SYS$CRMPSC_GPFILE_64  gs_name_64 ,ident_64 ,prot ,length_64

                            ,region_id_64 ,section_offset_64 ,acmode

                            ,flags ,return_va_64 ,return_length_64

                            [,start_va_64 [,map_length_64]]

    C Prototype

      int sys$crmpsc_gpfile_64  (void *gs_nam_64, struct _secid

                                *ident_64, unsigned int prot,

                                unsigned __int64 length_64, struct

                                _generic_64 *region_id_64, unsigned

                                __int64 section_offset_64, unsigned

                                int acmode, unsigned int flags, void

                                *(*(return_va_64)), unsigned __int64

                                *return_length_64,...);