...ioctl(loopctlfd, LOOP_CTL_GET_FREE); if (devnr == -1) errExit("ioctl-LOOP_CTL_GET_FREE"); sprintf(loopname, "/dev/loop%ld", devnr); printf("loopname = %s\n", loopname); loopfd =…...ioctl(loopctlfd, LOOP_CTL_GET_FREE); if (devnr == -1) errExit("ioctl-LOOP_CTL_GET_FREE"); sprintf(loopname, "/dev/loop%ld", devnr); printf("loopname = %s\n", loopname); loopfd =…