#ifndef _SYS_PARAM_H #define _SYS_PARAM_H #include "los_config.h" #include #define MAXSYMLINKS 20 #define MAXHOSTNAMELEN 64 #define MAXNAMLEN 255 #define MAXPATHLEN PATH_MAX #define NBBY 8 #define NGROUPS 32 #define CANBSIZ 255 #define NOFILE 256 #define NCARGS 131072 #define DEV_BSIZE 512 #define NOGROUP (-1) #undef MIN #undef MAX #define MIN(a,b) (((a)<(b))?(a):(b)) #define MAX(a,b) (((a)>(b))?(a):(b)) #define __bitop(x,i,o) ((x)[(i)/8] o (1<<(i)%8)) #define setbit(x,i) __bitop(x,i,|=) #define clrbit(x,i) __bitop(x,i,&=~) #define isset(x,i) __bitop(x,i,&) #define isclr(x,i) !isset(x,i) #define howmany(n,d) (((n)+((d)-1))/(d)) #define roundup(n,d) (howmany(n,d)*(d)) #define powerof2(n) !(((n)-1) & (n)) #include #include #endif