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extern void printmask(char *name, struct bitmask *mask);
extern void printcpumask(char *name, struct bitmask *mask);
extern struct bitmask *nodemask(char *s);
extern struct bitmask *cpumask(char *s, int *ncpus);
extern int read_sysctl(char *name);
extern void complain(char *fmt, ...);
extern void nerror(char *fmt, ...);
/* defined in main module, but called by util.c */
extern void usage(void);
extern long memsize(char *s);
extern int parse_policy(char *name, char *arg);
extern void print_policies(void);
extern char *policy_name(int policy);
#define err(x) perror("numactl: " x),exit(1)
#define array_len(x) (sizeof(x)/sizeof(*(x)))
#define round_up(x,y) (((x) + (y) - 1) & ~((y)-1))
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