What is ASCII ?

• ASCII(American Standard Code for Information Interchange )  for the United States.
• ASCII Table  for Alphabets :-

Alphabets(A-Z)	ASCII  Value
A	65
B	66
C	67
D	68
E	69
F	70
G	71
H	72
I	73
J	74
K	75
L	76
M	77
N	78
O	79
P	80
Q	81
R	82
S	83
T	84
U	85
V	86
W	87
X	88
Y	89
Z	90

Alphabets(a-z)	ASCII  Value
a	97
b	98
c	99
d	100
e	101
f	102
g	103
h	104
i	105
j	106
k	107
l	108
m	109
n	110
o	111
p	112
q	113
r	114
s	115
t	116
u	117
v	118
w	119
x	120
y	121
z	122

Example for A-Z :

void main(){

  int i;   

  for(i=65;i<=90;i++){

     printf("%c\n",i);

   }

}

Example for a-z :

void main(){

  int i;   

  for(i=97;i<=122;i++){

     printf("%c\n",i);

   }

}