1. H C
10:
.
1. char
2. O ASCII
3. char
.
1.
2. !
3. gets puts
4. " # string.h
$.
! " #
.
1. ! " # # $ char
C " # # $ char " % & " .
" & $ # " ! ' # # "
( !
) % % " 0 * 255.
+ " % ( "% , & "% $ ASCII
$# * , " % %
'" & $ # % , %,
" % , ($ "% ASCII.
- " " . :
char " % $ , $
char " % $ , $
$! " #
A.
2. ! "% ASCII
%! " #
% " % % "% $ ASCII. / # (
% " % .
.

2. A.
3. * " char
&! " #
* # $ :
ch ". . a "
# " :
0% $ % ASCII $# :
0% $ " :
! ' " % , " "
" $ & 1 &$& !
0"% " # " printf & " # # $ % %c.
) " "* :
char ch;
ch=97;
ch='a';
printf("%c",ch);
A.
3. * " char
'! " #
/ . " & " # % "$ " %,
" & C
/* char.c */
#include <stdio.h>
main()
{
char c;
for (c=80; c<=100; c++)
{
printf("nO xaraktiras %d einai %c",c,c);
}
}
* & "$ ASCII 128-255 " " # * c
unsigned char.
2.
1. / %
(! " #
" " " * & " % " % "
. % , # # % "
.
C &% # * " "% " . ) # $ :
* "% " 20 , " 19 $ .
3! ! 4! 0% " 19 $ ( 20) # "
" %, # 0 (slash # ).
" # & «hello» " $ . :
char str[20];
str[0] str[1] str[2] str[3]
…
str[4] str[5]
h e l l o 0
str[20]
2.
1. / %
)! " #
4 " % " % &% # $ " :
& $ " " % # . :
0"% & ( " , " * # " &$&
+ " " # " % * ( " # & 3
:
$ # * " $
# % , # " " " " ( " (
)
char pin[3]={'a','b','0'};
char pin[3]="ab";
char *pin="ab"; char pin[]="ab";

3. 2.
2. 0 "$ %
*! " #
"$ ( printf) & $ ( scanf)
" % " # %s.
" " % " %!
% % "% $ , ( % "% ,
% # % # . .
) scanf # " " & .
" # & # * % :
/ "$ &% :
0 * # &% :
char string[100];
printf("%s",string);
scanf("%s",string);
2.
2. 0 "$ %
! " #
/ . " & & % # " *
«teststring» " «test string» (" * $ % )
# % " .
/* string.c: Deixnei tin xrisi tis scanf kai tis printf me
simvoloseires */
#include <stdio.h>
main()
{
char string[80];
printf("Dwste mia simboloseira: ");
scanf("%s",string);
printf("Pliktrologisate tin simvoloseira: %s",string);
}
2.
3. ! gets puts
! " #
' & % scanf, # , "
& & " & " * " & .
" " & ( , "
gets " " $ " :
4 " string "
# , " , " . 0%
:
%# %, puts " "*
" # $ " ‘n’:
"% %
char *gets(char *string)
int puts(char *string)
stdio.h
stdio.h
2.
4. 4 string.h
! " #
0%# % " * &$& .
0" # # % * % # # % C, % %
, :
" % %, " " " . & % * .
0 % %, "$ :
4 " % & ( src dest.
+ :
" ( " $ $ string.
5 # "
string.h
int strlen(char *string)
void strcpy(char *dest, char *src)

4. .
1.
$! " #
/ " $ $ ( # 0) (
.
+ % " $ " int mystrlen(char *s) " # $ %
" ( .
1 " & C, " % # , " % #
gets " " &%, "*
4 int strlen(char *s) " % string.h % * & "
" & ( " " $.
.
2. & ( *
%! " #
+ % " $ " char *mystrcpy(char *dest, char *src) " #
$ % # & ( src dest.
4 " ( # % dest.
1 " & C, " % # , " % # #
gets " #% % " & & & 1 " " #
" % % % . / "*
.
4 char *strcpy(char *dest, char *src) " % string.h % *
& " " & ( " " $.
.
3. " + ( %
&! " #
1 " & " # , " "
& % ( % "* "
6" # %. :
* % & (". . 150 $ )
" "% $ ASCII # (
" % ( % 32 * .
( % , " % %. "* %
"% ASCII & # % " % %.
" ( % " gets scanf & " & .
.
4. ( " % 0. #
'! " #
% 2 " $ "% ASCII (128-255) " "
" # " & " " % " % .
" & "* ( ,% " ):
Hello World!Hello World!

5. .
5. & *
(! " #
+ " & C " % :
7 # , # . ( " & " % &
" & )
7 " & " % ( & $ * "*
.
# & " :
Dwse tin 1i simvoloseira: test
Dwse tin 2i simvoloseira: abba
=====
Isxyei: abba < test
& " % int strcmp(char *s1, char *s2) string.h
" % "