$EXPREG_64_(Alpha_and_Integrity_servers)

   On Alpha and Integrity server systems, adds a specified number of
   demand-zero allocation pages to a process's virtual address space
   for the execution of the current image. Expansion occurs at the
   next free available address within the specified region.

   This service accepts 64-bit addresses.

   Format

     SYS$EXPREG_64  region_id_64 ,length_64 ,acmode ,flags

                    ,return_va_64 ,return_length_64

   C Prototype

     int sys$expreg_64  (struct _generic_64 *region_id_64, unsigned

                        __int64 length_64, unsigned int acmode,

                        unsigned int flags, void *(*(return_va_64)),

                        unsigned __int64 *return_length_64);
 

Additional information available:

Arguments