In the Preface of the Donahoo book, he gives a 'little test' to see if we have a sufficient C" programming background. 1 typedef struct j 2 int a; 3 short s/2; 4 JMSG; 5 6 MSG *mp, m = {4, 1, 0); char *fp, *tp; mp = (MSG *) malloc(sizeof(MSG)); for(fp = (char *)m.s, tp = (char *)mp->s; tp