1. #include <stdio.h>
2. #include <stdlib.h>
3.  
4. #define BITMASK 0x3FF // 0b1111111111 in binary represents the last 10 bits
5.  
6. char* last10BitsToString(unsigned short num) {
7.     // Apply bitmask to get the last 10 bits
8.     unsigned short last10Bits = num & BITMASK;
9.  
10.     // Allocate memory for the string representation
11.     char* str = (char*)malloc(11 * sizeof(char)); // 10 bits + '�'
12.  
13.     if (str == NULL) {
14.         printf("Memory allocation failed.n");
15.         exit(1);
16.     }
17.  
18.     // Convert the last 10 bits to string
19.     int i;
20.     for (i = 0; i < 10; i++) {
21.         str[9 - i] = (last10Bits & (1 << i)) ? '1' : '0';
22.     }
23.     str[10] = '�'; // Null-terminate the string
24.  
25.     return str;
26. }
27.  
28. int main() {
29.     unsigned short num = 12345; // Example unsigned short
30.     char* str = last10BitsToString(num);
31.     printf("Last 10 bits of %u in binary: %sn", num, str);
32.     free(str); // Don't forget to free the allocated memory
33.     return 0;
34. }