1 #ifndef _SYS_PARAM_H 2 #define _SYS_PARAM_H 3 4 #define MAXSYMLINKS 20 5 #define MAXHOSTNAMELEN 64 6 #define MAXNAMLEN 255 7 #define MAXPATHLEN 4096 8 #define NBBY 8 9 #define NGROUPS 32 10 #define CANBSIZ 255 11 #define NOFILE 256 12 #define NCARGS 131072 13 #define DEV_BSIZE 512 14 #define NOGROUP (-1) 15 16 #undef MIN 17 #undef MAX 18 #define MIN(a,b) (((a)<(b))?(a):(b)) 19 #define MAX(a,b) (((a)>(b))?(a):(b)) 20 21 #define __bitop(x,i,o) ((x)[(i)/8] o (1<<(i)%8)) 22 #define setbit(x,i) __bitop(x,i,|=) 23 #define clrbit(x,i) __bitop(x,i,&=~) 24 #define isset(x,i) __bitop(x,i,&) 25 #define isclr(x,i) !isset(x,i) 26 27 #define howmany(n,d) (((n)+((d)-1))/(d)) 28 #define roundup(n,d) (howmany(n,d)*(d)) 29 #define powerof2(n) !(((n)-1) & (n)) 30 31 #include <sys/resource.h> 32 #include <endian.h> 33 #include <limits.h> 34 35 #endif 36