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1.1 root 1: /* tailor.h -- Not copyrighted 1991 Mark Adler */
2:
3: /* const's are inconsistently used across ANSI libraries--kill for all
4: header files. */
5: #define const
6:
7:
8: /* Use prototypes and ANSI libraries if __STDC__ */
9: #ifdef __STDC__
10: # ifndef PROTO
11: # define PROTO
12: # endif /* !PROTO */
13: # define MODERN
14: #endif /* __STDC__ */
15:
16:
17: /* Use prototypes and ANSI libraries if Silicon Graphics */
18: #ifdef sgi
19: # ifndef PROTO
20: # define PROTO
21: # endif /* !PROTO */
22: # define MODERN
23: #endif /* sgi */
24:
25:
26: /* Define MSDOS for Turbo C as well as Microsoft C */
27: #ifdef __POWERC /* For Power C too */
28: # define __TURBOC__
29: #endif /* __POWERC */
30:
31:
32: /* Use prototypes and ANSI libraries if Microsoft or Borland C */
33: #ifdef MSDOS
34: # ifndef PROTO
35: # define PROTO
36: # endif /* !PROTO */
37: # define MODERN
38: #endif /* MSDOS */
39:
40:
41: /* Turn off prototypes if requested */
42: #ifdef NOPROTO
43: # ifdef PROTO
44: # undef PROTO
45: # endif /* PROTO */
46: #endif /* NOPROT */
47:
48:
49: /* Used to remove arguments in function prototypes for non-ANSI C */
50: #ifdef PROTO
51: # define OF(a) a
52: #else /* !PROTO */
53: # define OF(a) ()
54: #endif /* ?PROTO */
55:
56:
57: /* Allow far and huge allocation for small model (Microsoft C or Turbo C) */
58: #ifdef MSDOS
59: # ifndef DYN_ALLOC
60: # define DYN_ALLOC
61: # endif
62: # ifdef __TURBOC__
63: # include <alloc.h>
64: # else /* !__TURBOC__ */
65: # include <malloc.h>
66: # define farmalloc _fmalloc
67: # define farfree _ffree
68: # endif /* ?__TURBOC__ */
69: #else /* !MSDOS */
70: # define huge
71: # define far
72: # define near
73: # define farmalloc malloc
74: # define farfree free
75: #endif /* ?MSDOS */
76:
77: #define fcalloc calloc
78: /* Assumes that all arrays are < 64K for MSDOS */
79:
80: /* Define MSVMS if either MSDOS or VMS defined */
81: #ifdef MSDOS
82: # define MSVMS
83: #else /* !MSDOS */
84: # ifdef VMS
85: # define MSVMS
86: # endif /* VMS */
87: #endif /* ?MSDOS */
88:
89:
90: /* Define void, voidp, and extent (size_t) */
91: #include <stdio.h>
92: #ifdef MODERN
93: # if !defined(M_XENIX) && !defined(__GNUC__)
94: # include <stddef.h>
95: # endif /* !M_XENIX */
96: # include <stdlib.h>
97: typedef size_t extent;
98: typedef void voidp;
99: #else /* !MODERN */
100: typedef unsigned int extent;
101: #ifndef M_XENIX
102: # define void int
103: #endif
104: typedef char voidp;
105: #endif /* ?MODERN */
106:
107: /* Get types and stat */
108: #ifdef VMS
109: # include <types.h>
110: # include <stat.h>
111: #else /* !VMS */
112: # include <sys/types.h>
113: # include <sys/stat.h>
114: #endif /* ?VMS */
115:
116:
117: /* Cheap fix for unlink on VMS */
118: #ifdef VMS
119: # define unlink delete
120: #endif /* VMS */
121:
122:
123: /* For Pyramid */
124: #ifdef pyr
125: # define strrchr rindex
126: # define ZMEM
127: #endif /* pyr */
128:
129:
130: /* File operations--use "b" for binary if allowed */
131: #ifdef MODERN
132: # define FOPR "rb"
133: # define FOPM "r+b"
134: # define FOPW "w+b"
135: #else /* !MODERN */
136: # define FOPR "r"
137: # define FOPM "r+"
138: # define FOPW "w+"
139: #endif /* ?MODERN */
140:
141:
142: /* Define this symbol if your target allows access to unaligned data.
143: * This is not mandatory, just a speed optimization. The compressed
144: * output is strictly identical.
145: */
146: #if defined(MSDOS) || defined(M_XENIX) || defined(i386) || defined(mc68020) || defined(vax)
147: # define UNALIGNED_OK
148: #endif
149:
150:
151: /* Under MSDOS we may run out of memory when processing a large number
152: * of files. Compile with MEDIUM_MEM to reduce the memory requirements or
153: * with MIN_MEM to use as little memory as possible.
154: */
155: #ifdef SMALL_MEM
156: # define BSZ 2048 /* Buffer size for files */
157: #else
158: #ifdef MEDIUM_MEM
159: # define BSZ 8192
160: #else
161: # define BSZ 16384
162: #endif
163: #endif
164:
165: /* end of tailor.h */
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