N 6
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N 7
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N 8
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N 9
" "
: " "
.
dll (Dynamic Linked Library).
.
, dll. . Windows ("math.h") 
, . : 
.
:
;
exp(x), 
;
, 
;
, 
;
sin2(x), 
;
cos2(x), 
;
;
sin(x), 
;
cos(x) 
;
cos3(x), 
;
cosec2(x), 
, 
;
;
sec2(x);
ex(1+x);
;
|
|
|
;
esin(x);
ecos(x);
etg(x);
earcsin(x);
. .
:
, 
, 
.
:
| x | MyFunction(x) | Function(x) | 
|
| |||
| |||
|
(Function) dll .
( 10-1 - 10-7)
|
| MyFunction(x) | Function(x) |
|
| 0.1 | |||
|
| |||
| 0.0000001 |
dll, :
double myf_(double /*1 */, double /*2 */, double /**/)
// . myf_
// family_func,
// "" .
// myf_ ""
// (1,2,3)
double myf_math(double /*1 */, double /*2 */)
//
char * FName();
//
:
family_func(/* */)
// family
//func .
// family_func myf.
dll:
extern "C" __declspec(dllexport) char* ToString()
{ return "MyFunctionName"; }
:
HINSTANCE p_dll = LoadLibrary ("___.dll");
typedef char* (*Func)();
Func Name = (Func)GetProcAddress(p_dll, "ToString");
cout >> Name();
.
: , , , , , .
N 10
" "
: " CString"
.
- CString.
.
( ), :
| / | |||
| 1. | |||
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| 4. | |||
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| 15. | |||
| 16. | |||
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| 19. | |||
| 20. |
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|
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:
1. ()
2.
3.
4. ( N M )
5.
6. .
7. .
8.
9.
10.
11.
.
: , , , , .
:
#include "stdafx.h"
#include <conio.h>
#include <ctype.h>
int main(int argc, char* argv[])
{
int ch;
_cputs("Type 'Y' when finished typing keys: ");
do
{
ch = _getch();
printf ("%i",ch);
ch = toupper(ch);
} while(ch!= 'Y');
_putch(ch);
_putch('\r'); /* Carriage return */
_putch('\n'); /* Line feed */
return 0;
}
