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Annotation of researchv10no/cmd/xref/input.h, revision 1.1.1.1

1.1       root        1: #ifndef SRBHDR
                      2: #include       "defs.h"
                      3: #endif
                      4: 
                      5: 
                      6: STRUCT fileblk FILEBLK;
                      7: STRUCT filehdr FILEHDR;
                      8: STRUCT fileblk *FILE;
                      9: #define NIL    0
                     10: 
                     11: /* the following nonsense is required
                     12:  * because casts turn an Lvalue
                     13:  * into an Rvalue so two cheats
                     14:  * are necessary, one for each context.
                     15:  */
                     16: union { int _cheat;};
                     17: #define Lcheat(a)      ((a)._cheat)
                     18: #define Rcheat(a)      ((int)(a))
                     19: 
                     20: #define        BUFSIZ  64
                     21: struct fileblk {
                     22:        UFD     fdes;
                     23:        POS     flin;
                     24:        BOOL    feof;
                     25:        CHAR    fsiz;
                     26:        STRING  fnxt;
                     27:        STRING  fend;
                     28:        FILE    fstak;
                     29:        CHAR    fbuf[BUFSIZ];
                     30: };
                     31: 
                     32: /* for files not used with file descriptors */
                     33: struct filehdr {
                     34:        UFD     fdes;
                     35:        POS     flin;
                     36:        BOOL    feof;
                     37:        CHAR    fsiz;
                     38:        STRING  fnxt;
                     39:        STRING  fend;
                     40:        FILE    fstak;
                     41:        CHAR    _fbuf[1];
                     42: };
                     43: 
                     44: #define EOF    (-1)
                     45: INT    eof;

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