Question

I have the following code:

char buf[] = {0x45, 0x76, 0x72, 0x23, 0x12};
int main(void)
{
    int i;
    for (i = 0; i<=sizeof(buf); ++i){
      printf("%c\n", buf[i]); 
    }
}

What I want to do is take buf[i] when it is printed out and and make 0x45 read 0x46. Essentially, how do I add 1 to each value as it is going through the for loop?

Answer 1

Use +

for (i = 0; i<sizeof(buf); ++i){
  printf("%c\n", buf[i] + 1); //  print the incremented value
  //printf("%c\n", buf[i]++); //  increment the printed value

}