char a =mnopp=a ;whilep!= 0printfsp;p++;

This code will result in an infinite loop printing the string "mnop" repeatedly. This is because the condition for the while loop is checking if the value pointed to by p is equal to 0 (i.e. the null terminator), but the string "mnop" does have a null terminator, so the loop will never exit. Additionally, even if there was a null terminator, the printf statement inside the loop will print the entire string every time, so it would print "mnop" indefinitely. Finally, the p++ statement after the loop will have no effect since it is outside the loop and there are no more statements after it.