00001 00051 #define MAX(a,b) (((a)>(b))?(a):(b)) 00052 typedef unsigned int UINT32; 00053 int errno; 00054 int open(const char *,int); 00055 int close(int); 00056 size_t write(int,const char *, size_t); 00057 int read(int,char *,size_t);