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1.1 root 1: typedef struct letter {
2: long address; /* offset into temporary file */
3: long offset; /* offset into letter */
4: long size; /* size of letter */
5: int status; /* status of letter */
6: }letter;
7: #define NLETTERS 512
8:
9: /* letter status flags */
10: #define L_USED 1 /* 1 if entry used, 0 otherwise */
11: #define L_DELETED 2 /* 1 if entry has been deleted, 0 otherwise */
12:
13: /* declare letter routines */
14: extern void inittmp();
15: extern void releasetmp();
16: extern letter * lopen();
17: extern char *lgets();
18: extern void lputs();
19: extern void lputc();
20: extern long ltell();
21: extern long lsize();
22: extern int letseek();
23: extern int ldelete();
24: extern int copyto();
25: extern int copyfrom();
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