4.3BSD - /usr/src/ucb/pascal/pdx/defs.h

   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	5.1 (Berkeley) 6/6/85
   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: error();            /* print an error message */
  59: 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:  * macros for doing freads + fwrites
  73:  */
  74: 
  75: #define get(fp, var)    fread((char *) &(var), sizeof(var), 1, fp)
  76: #define put(fp, var)    fwrite((char *) &(var), sizeof(var), 1, fp)
  77: 
  78: /*
  79:  * string definitions
  80:  */
  81: 
  82: extern char *strcpy();
  83: extern int strlen();
  84: 
  85: #define strdup(s)       strcpy(malloc((unsigned) strlen(s) + 1), s)
  86: #define streq(s1, s2)   (strcmp(s1, s2) == 0)

Defined variables

Defined typedef's

Defined macros

Usage of this include