├── decimal to octal.c
└── decimal to binary convertor.c


/decimal to octal.c:
--------------------------------------------------------------------------------
 1 | #include <stdio.h>
 2 | void decimalToOctal(int decimalNumber) {
 3 |     int octalNumber[32]; 
 4 |     int i = 0;
 5 | 
 6 |     while (decimalNumber > 0) {
 7 |         octalNumber[i] = decimalNumber % 8;
 8 |         decimalNumber = decimalNumber / 8;
 9 |         i++;
10 |     }
11 |     printf("Octal equivalent: ");
12 |     
13 |     for (int j = i - 1; j >= 0; j--) {
14 |         printf("%d", octalNumber[j]);
15 |     }
16 |  
17 |     printf("\n");
18 | }
19 | int main() {
20 |     int decimalNumber;
21 |     printf("Enter a decimal number: ");
22 |     scanf("%d", &decimalNumber);
23 | 
24 |     decimalToOctal(decimalNumber);
25 |     return 0;}
26 | 


--------------------------------------------------------------------------------
/decimal to binary convertor.c:
--------------------------------------------------------------------------------
 1 | #include <stdio.h>
 2 | void decimalToBinary(int decimalNumber) {
 3 |     int binaryNumber[32]; 
 4 |     int i = 0;
 5 |     while (decimalNumber > 0) {
 6 |         binaryNumber[i] = decimalNumber % 2;
 7 |         decimalNumber = decimalNumber / 2;
 8 |         i++;
 9 |     }
10 | 
11 |     printf("Binary equivalent: ");
12 |     
13 |     for (int j = i - 1; j >= 0; j--) {
14 |         printf("%d", binaryNumber[j]);
15 |     }
16 | 
17 |     printf("\n");
18 | }
19 | int main() {
20 |     int decimalNumber;
21 | 
22 |     printf("Enter a decimal number: ");
23 |     scanf("%d", &decimalNumber);
24 | 
25 |     decimalToBinary(decimalNumber);
26 |     return 0;
27 | }
28 | 


--------------------------------------------------------------------------------