1 
2 struct map {
3 	char *name;
4 	int value;
5 };
6 
7 char *read_field(char *base, char *name);
8 unsigned read_field_num(char *base, char *name);
9 unsigned read_field_map(char *base, char *name, struct map *map);
10 
11 int sysfs_write(const char *name, const char *format, ...)
12 	__attribute__((format(printf,2,3)));
13 int sysfs_available(const char *name, int flags);
14