struct proc {
char p_stat;
char p_flag;
char p_pri;
char p_sig;
char p_uid;
char p_time;
int p_ttyp;
int p_pid;
int p_ppid;
int p_addr;
int p_size;
int p_wchan;
int *p_textp;
} proc[NPROC];
/* stat codes */
#define SSLEEP 1
#define SWAIT 2
#define SRUN 3
#define SIDL 4
#define SZOMB 5
/* flag codes */
#define SLOAD 01
#define SSYS 02
#define SLOCK 04
#define SSWAP 010