segsz_t
segsz_t si;
segsz_t cvm_dsize; /* in pages */
segsz_t cvm_tsize; /* in pages */
segsz_t cvm_reserved1[4];
segsz_t kp_vm_rssize; /* resident set size in pages */
segsz_t kp_vm_swrss; /* rss before last swap in pages */
segsz_t kp_vm_tsize; /* text size in pages */
segsz_t kp_vm_dsize; /* data size in pages */
segsz_t kp_vm_ssize; /* stack size in pages */
segsz_t vm_rssize; /* current resident set size in pages */
segsz_t vm_swrss; /* resident set size before last swap */
segsz_t vm_tsize; /* text size (bytes) */
segsz_t vm_dsize; /* data size (bytes) */
segsz_t vm_ssize; /* stack size (bytes) */