QUESTION 7 The offset of a structure's member can differ from one compiler to another. True O False QUESTION 8 perror is a Unix routine for reporting errors. When called, it will produce a message on the standard error that consists of the string parameter passed to the routine, a colon(:) and, an additional english message associated with the current value of the variable errno. O True False QUESTION 9 it is recommended to turn off the buffer mode before using fwrite, because: Buffer mode may return success even though write system call fails olt may cause unpredictable results All of the above ana abou