320 int filename__read_int(const char *filename, int *value)  in filename__read_int()  argument
323 	int fd = open(filename, O_RDONLY), err = -1;  in filename__read_int()
337 static int filename__read_ull_base(const char *filename,  in filename__read_ull_base()  argument
341 	int fd = open(filename, O_RDONLY), err = -1;  in filename__read_ull_base()
360 int filename__read_xll(const char *filename, unsigned long long *value)  in filename__read_xll()  argument
362 	return filename__read_ull_base(filename, value, 16);  in filename__read_xll()
370 int filename__read_ull(const char *filename, unsigned long long *value)  in filename__read_ull()  argument
372 	return filename__read_ull_base(filename, value, 0);  in filename__read_ull()
377 int filename__read_str(const char *filename, char **buf, size_t *sizep)  in filename__read_str()  argument
384 	fd = open(filename, O_RDONLY);  in filename__read_str()
425 int filename__write_int(const char *filename, int value)  in filename__write_int()  argument
427 	int fd = open(filename, O_WRONLY), err = -1;  in filename__write_int()