Xinu7/include/fserver.h
/* fserver.h */
#ifndef RSERVER
#define RSERVER "128.10.2.3:2001"/* remote file server address */
#endif
/* Definitions of remote file server constants and packet format */
/* Codes for operations */
#define FS_ERROR -1 /* returned for error on op. */
#define FS_OPEN 0 /* open a file */
#define FS_CLOSE 1 /* close a file */
#define FS_READ 2 /* read data from a file */
#define FS_WRITE 3 /* write data to a file */
#define FS_UNLINK 4 /* unlink a file from directory */
#define FS_RENAME 5 /* change the name of file (data*/
/* area in packet is new name) */
#define FS_MKDIR 6 /* make a directory (count=mode)*/
#define FS_RMDIR 7 /* remove a directory */
#define FS_ACCESS 8 /* determine file accessibility */
#define FS_TRANS 9 /* other transaction */
#define RDATLEN 512 /* Maximum bytes transferred */
#define RNAMLEN 80 /* Maximum bytes in file name */
#define RCLOSED -1 /* server device not opened */
struct fphdr { /* Format of server packet hdr */
long f_pos; /* byte position in file */
short f_count; /* count of data bytes */
short f_op; /* Operation requested */
char f_name[RNAMLEN]; /* Name of remote file */
};
struct fpacket { /* Format of packet to/from rfs */
struct fphdr fp_h; /* packet header */
char fpdata[RDATLEN]; /* data sent to/from server */
};
#define FPHLEN sizeof(struct fphdr) /* size of server packet header */
#define FPPLEN sizeof(struct fpacket) /* size of server packet */