d_cg
cgp = &disk->d_cg;
if (cgget(disk->d_fd, &disk->d_fs, c, &disk->d_cg) == 0) {
return (cgwrite1(disk, disk->d_cg.cg_cgx));
if (cg == disk->d_cg.cg_cgx) {
if (cgput(disk->d_fd, &disk->d_fs, &disk->d_cg) == 0)
disk->d_cg.cg_cgx, cg);
cgp = &disk->d_cg;
cgp = &disk->d_cg;
struct cg d_cg; /* cylinder group */
#define d_cg d_cgunion.d_cg
#define acg disk.d_cg
#define acg disk.d_cg
#define acg disk.d_cg
cgp = &disk.d_cg;
cgp = &disk.d_cg;