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Annotation of 43BSDReno/pgrm/pascal/pdx/defs.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)defs.h      5.3 (Berkeley) 1/3/88
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Global debugger defines.
        !            11:  *
        !            12:  * All files include this header.
        !            13:  */
        !            14: 
        !            15: #include <stdio.h>
        !            16: 
        !            17: /*
        !            18:  * Since C does not allow forward referencing of types,
        !            19:  * all the global types are declared here.
        !            20:  */
        !            21: 
        !            22: #define LOCAL static
        !            23: #define NIL 0
        !            24: 
        !            25: typedef int BOOLEAN;
        !            26: 
        !            27: #define FALSE 0
        !            28: #define TRUE 1
        !            29: 
        !            30: typedef unsigned int ADDRESS;          /* object code addresses */
        !            31: typedef short LINENO;                  /* source file line numbers */
        !            32: typedef struct sym SYM;                        /* symbol information structure */
        !            33: typedef struct symtab SYMTAB;          /* symbol table */
        !            34: typedef struct node NODE;              /* expression tree node */
        !            35: typedef short OP;                      /* tree operator */
        !            36: typedef struct opinfo OPINFO;          /* tree operator information table */
        !            37: typedef unsigned int WORD;             /* machine word */
        !            38: typedef unsigned char BYTE;            /* machine byte */
        !            39: typedef struct frame FRAME;            /* runtime activation record */
        !            40: 
        !            41: /*
        !            42:  * Definitions of standard C library routines that aren't in the
        !            43:  * standard I/O library, but which are generally useful.
        !            44:  */
        !            45: 
        !            46: extern long atol();            /* ascii to long */
        !            47: extern double atof();          /* ascii to floating point */
        !            48: extern char *mktemp();         /* make a temporary file name */
        !            49: 
        !            50: /*
        !            51:  * Definitions of library routines.
        !            52:  */
        !            53: 
        !            54: char *cmdname;                 /* name of command for error messages */
        !            55: char *errfilename;             /* current file associated with error */
        !            56: short errlineno;               /* line number associated with error */
        !            57: 
        !            58: int error();                   /* print an error message */
        !            59: int panic();                   /* print error message and exit */
        !            60: short numerrors();             /* return number of errors since last call */
        !            61: 
        !            62: /*
        !            63:  * defintions for doing memory allocation
        !            64:  */
        !            65: 
        !            66: extern char *malloc();
        !            67: 
        !            68: #define alloc(n, type) ((type *) malloc((unsigned) (n) * sizeof(type)))
        !            69: #define dispose(p)     { free((char *) p); p = NIL; }
        !            70: 
        !            71: /*
        !            72:  * macro for doing freads
        !            73:  */
        !            74: 
        !            75: #define get(fp, var)   fread((char *) &(var), sizeof(var), 1, fp)
        !            76: 
        !            77: /*
        !            78:  * string definitions
        !            79:  */
        !            80: 
        !            81: extern char *strcpy();
        !            82: extern int strlen();
        !            83: 
        !            84: #define strdup(s)              strcpy(malloc((unsigned) strlen(s) + 1), s)
        !            85: #define streq(s1, s2)  (strcmp(s1, s2) == 0)

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