26. Extract and Modify Field in a 32-bit Register

#include <stdio.h>
#include <stdint.h>

uint32_t update_register(uint32_t reg) {
    
    uint32_t mask =0x1f<<10;
    uint32_t field =(reg&mask)>>10;
    if(field<31)
        field+=1;

    reg&=~mask;
    reg|=(field<<10);
    return reg;
}

int main()
{
    uint32_t reg;
    scanf("%u", &reg);
    uint32_t updated = update_register(reg);
    printf("%u", updated);
    return 0;
}