C program to print all characters

Program:

#include <stdio.h>
int main()
{
    unsigned char ch;
    for(ch=0;ch<=254;ch++)
    {
        printf("\n%d->%c",ch,ch);
    }
    return 0;
}

Output:

0 =>
1 =>
2 =>
3 =>
4 =>
5 =>
6 =>
7 =>
8 =>
9 =>
10 =>

11 =>
12 =>
13 =>
14 =>
15 =>
16 =>
17 =>
18 =>
19 =>
20 =>
21 =>
22 =>
23 =>
24 =>
25 =>
26 =>
27 =>
28 =>
29 =>
30 =>
31 =>
32 =>
33 => !
34 => "
35 => #
36 => $
37 => %
38 => &
39 => '
40 => (
41 => )
42 => *
43 => +
44 => ,
45 => -
46 => .
47 => /
48 => 0
49 => 1
50 => 2
51 => 3
52 => 4
53 => 5
54 => 6
55 => 7
56 => 8
57 => 9
58 => :
59 => ;
60 => <
61 => =
62 => >
63 => ?
64 => @
65 => A
66 => B
67 => C
68 => D
69 => E
70 => F
71 => G
72 => H
73 => I
74 => J
75 => K
76 => L
77 => M
78 => N
79 => O
80 => P
81 => Q
82 => R
83 => S
84 => T
85 => U
86 => V
87 => W
88 => X
89 => Y
90 => Z
91 => [
92 => \
93 => ]
94 => ^
95 => _
96 => `
97 => a
98 => b
99 => c
100 => d
101 => e
102 => f
103 => g
104 => h
105 => i
106 => j
107 => k
108 => l
109 => m
110 => n
111 => o
112 => p
113 => q
114 => r
115 => s
116 => t
117 => u
118 => v
119 => w
120 => x
121 => y
122 => z
123 => {
124 => |
125 => }
126 => ~
127 => 
128 => Ç
129 => ü
130 => é
131 => â
132 => ä
133 => à
134 => å
135 => ç
136 => ê
137 => ë
138 => è
139 => ï
140 => î
141 => ì
142 => Ä
143 => Å
144 => É
145 => æ
146 => Æ
147 => ô
148 => ö
149 => ò
150 => û
151 => ù
152 => ÿ
153 => Ö
154 => Ü
155 => ¢
156 => £
157 => ¥
158 => ₧
159 => ƒ
160 => á
161 => í
162 => ó
163 => ú
164 => ñ
165 => Ñ
166 => ª
167 => º
168 => ¿
169 => ⌐
170 => ¬
171 => ½
172 => ¼
173 => ¡
174 => «
175 => »
176 => ░
177 => ▒
178 => ▓
179 => │
180 => ┤
181 => ╡
182 => ╢
183 => ╖
184 => ╕
185 => ╣
186 => ║
187 => ╗
188 => ╝
189 => ╜
190 => ╛
191 => ┐
192 => └
193 => ┴
194 => ┬
195 => ├
196 => ─
197 => ┼
198 => ╞
199 => ╟
200 => ╚
201 => ╔
202 => ╩
203 => ╦
204 => ╠
205 => ═
206 => ╬
207 => ╧
208 => ╨
209 => ╤
210 => ╥
211 => ╙
212 => ╘
213 => ╒
214 => ╓
215 => ╫
216 => ╪
217 => ┘
218 => ┌
219 => █
220 => ▄
221 => ▌
222 => ▐
223 => ▀
224 => α
225 => ß
226 => Γ
227 => π
228 => Σ
229 => σ
230 => µ
231 => τ
232 => Φ
233 => Θ
234 => Ω
235 => δ
236 => ∞
237 => φ
238 => ε
239 => ∩
240 => ≡
241 => ±
242 => ≥
243 => ≤
244 => ⌠
245 => ⌡
246 => ÷
247 => ≈
248 => °
249 => ∙
250 => ·
251 => √
252 => ⁿ
253 => ²
254 => ■