I am writing some serial data transfer apllication, i was seeing some examples given by keil. in that hello world example i have seen. i that they have used printf function which will print in serial window.... there if i am using printf("%x",variable say 'a');there it is appeding a zero at the end of variable. please clarify y it is happening so?
Yes some folks like to abuse. Check out this bit of abuse given out by one of our own. " comment is like somenone standing in an elevator and claiming the building is going up and down.