2. (cos)
(Windows)
BCLP B
(Bell
Laboratoorics)
The C Programming Language
1988

3. (Source Program)
c work.c
2. (Compile)
(Build)
(Link)
printf()
.exe

4. (Header File)
main(
) h.
#include<header_name>
header_name
printf
#include <stdio.h>

5. (Main Function)
{ }
main( )
2.3
1.
{ } main {}
2.
3. (:)
4. 1 1 1

6. (identifier)
(address)

7. :
data_type
var
data
:
var_type
var name

8. 1
,

9. input
process
output
printf
:

10. :
String _format
%d
Address_list
& Ampersand
: expreeion
:
var

11. x
y
Printf “data x = “ scant “%&x :
Printf “data = “ scant “%&y :
2.
R = 2+3 * ;
S= 2+3 * ;
T= 2+3 * - ;
Printf “ r=x+y*2=%dn”,r :
Printf “ r= x+yX*2=5dn”,s :
Printf “ r=x+y*2-1 =%dn”,t :

12. 1 (char)
5.1 putchar ( ) 5.2 getchar ( )
5.3 getch ( ) 5.4 getche ( )
5. putcar ( )
1
Putchar_argument

13. 1. ‘A’ char
word1 „1‟ word2
char word1=„A‟ , word2=„1‟
2. 1
putchar(word1); putchar(word2);
A1
5.2 getchar ( )
1
Enter
1

14. 1.
Printf (“Key 1 Character=”) ;
Word = getchar ( ) ;
1 a
Enter
char word
2.
word a ( word)
Printf (“You key Character is =%cn”,word) ;
5.3 getch ( )
1
Enter
1
2
char_var

15. 1.
printf (“Key 1 Character =” ) ;
word = getch ( ) ;
1
a
Enter
2.
word a ( word)
printf (“Key 1 Character =%cn”,word ) ;
char word

16. 5.4 getche ( )
1
Enter
1
2
char_var

17. 1.
printf (“Key 1 Character =” ) ;
word = getcher ( ) ;
1 a
Enter
char word
2.
word a
word)
printf (“Key 1 Character =%cn”,word )
;

18. (String)
char[n]
6.1 puts()
1
string_argument

19. 1.
word
Char word [15] = “*Example*”;
2.
puts
Puts (word) ;
Puts (“*************”);
6.2 gets( )
Enter
1
2

20. 1.
Enter
gets
(word);
2.
printf (You name is = %sn”,word) ;