You will write a new system call getreadcount() for xv6 os. the return type and parameters are: int getreadcount(void) the call returns the total number of times the read() system call has been invoked since the time the kernel was booted. note that the kernel does not keep a counter. you have to add it.

Retype the statements, correcting the syntax errors. system.out.println("num: " + songnum); system.out.println(int songnum); system.out.println(songnum " songs"); note: these activities may test code with different test values. this activity will perform two tests: the first with songnum = 5, the second with songnum = 9. see how to use zybooks.