Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
1
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
-
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short
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float
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
-
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
-
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
6
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
9
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
10
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
11
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
12
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Shayke Bilu PhD
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Shayke Bilu PhD
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
Shayke Bilu PhD
16
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
17
-
#include
-
#define
#undef
macro
ס
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
-
Pre-Compiler
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
19
(
Pre-Compiler
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(
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#include
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
20
#include
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,
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2
:
.1
#include
<filename
>
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#include
ףfilenameפ
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(
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
21
#include
<stdio.h>
#include
ף
DefinitionFile.h
פ
#include
ףc:
\\HeaderFiles\\DefinitionFile.h
פ
פ
(
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#define
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
22
#define
#define
identifier alternative-text
identifier
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identifier
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(
.)
פ
(
)
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#define
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
23
alternative-text
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(
\
)
identifier
identifier
identifier
(
"
"
-
#define
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
24
#define
OK 1
printf(
ףOKפ
); \\
int
NOT_OK; \\
\\
int
status = OK;
#define
INFINITE
for
(;;)
?
INFINITE printf(
ףHelloפ
);
#define
DOUBLE + NUM + NUM
#define
QUADROUPLE DOUBLE DOUBLE
int
NUM=5;
if
(DOUBLE DOUBLE== 20)
פ
-
#define
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
25
,
#define
identifier(argument-list) alternative-text
)
identifier
argument-list
alternative-text
#define
max(A,B) ((A)>(B)? (A) : (B))
פ
-
#define
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
26
inline
-"
A
-B
"
max(i++, j++);
-
#undef
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
27
"
-
define
:
SCE-Chapter-15-Preprocessor
Shayke Bilu PhD
28
-
Conditional Inclusion
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
29
-"
-
conditional-statements
(
)
/
#if
integer
.
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,
#elif/#else/#endif
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sizeof
ס
פ
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
30
#if
integer-expr1
#elif
integer-expr2
#else
#endif
#include
,
-
#defined
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
31
defined(name)
1
name
"
#define
-0
header
#if
!defined(INC_FILE)
#define
INC_FILE
//
// header file content
-
פ
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
32
#if
-#defined
(debugging)
:
#if
defined(DEBUG)
printf(
ףVariable x has value = %dפ
, x);
-
"
#ifdef
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
33
#define
,
:
#ifndef
INC_FILE
#define
INC_FILE
// header file content
פ
פ
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
34
LINE
-
FILE
-
DATE
TIME
פ
פ
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
35
#line
number
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#error
error-text
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assert(condition)
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ף
assert.h
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SCE-Chapter-15-Preprocessor
Shayke Bilu PhD
36
SCE-Chapter-15-Preprocessor
Shayke Bilu PhD
Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
38
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2
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3
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
39
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DETAILS
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Shayke Bilu PhD
SCE-Chapter-15-Preprocessor
40
:C
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#include
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#define
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if
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SCE-Chapter-15-Preprocessor
Shayke Bilu PhD
41
