Change bit of hex number with leading zeros in C++,(C)

Question

I have this number in hex string:

002A05.

I need to set 7-th bit of this number to 1, so after conversion I will get

022A05
         


        

Answer 1

int hex=0x002A05;
int mask = 0x020000;
printf ("%06X",hex | mask);

hope this helps