#define MAXPATHLEN 4096
#define NBBY 8
#define NGROUPS 32
-#define CANBSIZE 255
+#define CANBSIZ 255
#define NOFILE 256
#define NCARGS 131072
#define DEV_BSIZE 512
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
-#define __bitop(x,i,o) ((a)[(i)/8] o 1<<(i)%8)
+#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,&)