usr/src/include/ar.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Hugh Smith at The University of Guelph.
 *
 *      @(#)ar.h        5.2 (Berkeley) %G%
 */

/* Pre-4BSD archives had these magic numbers in them. */
#define OARMAG1 0177555
#define OARMAG2 0177545

#define ARMAG           "!<arch>\n"     /* ar "magic number" */
#define SARMAG          8               /* strlen(ARMAG); */

#define AR_EFMT1        "#1/"           /* extended format #1 */

struct ar_hdr {
        char ar_name[16];               /* name */
        char ar_date[12];               /* modification time */
        char ar_uid[6];                 /* user id */
        char ar_gid[6];                 /* group id */
        char ar_mode[8];                /* octal file permissions */
        char ar_size[10];               /* size in bytes */
#define ARFMAG  "`\n"
        char ar_fmag[2];                /* consistency check */
};