#pragma lib "../lwext4/src/liblwext4.a" typedef struct Opts Opts;typedef struct Part Part; #pragma varargck type "Ð" Part*#pragma varargck type "M" Part* struct Opts {	char *group;	int cachewb;	int linkmode;	int asroot; 	int fstype;	int blksz;	int inodesz;	u32int ninode;	char *label;}; struct Part {	Ref;	QLock;	Part *prev, *next; 	char dev[32];	char mnt[32];	char *partdev; 	struct ext4_blockdev bdev;	struct ext4_blockdev_iface bdif;	struct ext4_sblock *sb;	struct ext4_lock oslocks;	Qid qid;	Qid qidmask;	Groups groups;	int f;	uchar blkbuf[];}; enum {	Lhide,	Lresolve = 1,}; Part *openpart(char *dev, Opts *opts);void closepart(Part *p);void closeallparts(void);void statallparts(void);void syncallparts(void); char *errno2s(int err);