usr/src/bin/ps/ps.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)ps.h        5.1 (Berkeley) %G%
 */

#define UNLIMITED       0       /* unlimited terminal width */
enum type { CHAR, UCHAR, SHORT, USHORT, LONG, ULONG, KPTR };

struct usave {
        struct  proc *u_procp;
        struct  timeval u_start;
        struct  rusage u_ru;
        struct  rusage u_cru;
        char    u_acflag;
};

typedef struct _kinfo {
        struct proc *ki_p;      /* proc structure */
        struct eproc *ki_e;     /* extra stuff */
        struct usave *ki_u;     /* interesting parts of user */
        char *ki_args;          /* exec args (should be char **) */
        char *ki_env;           /* environment (should be char **) */
} KINFO;

/* Variables. */
typedef struct _var {
        char    *name;          /* name(s) of variable */
        char    *header;        /* default header */
        char    *alias;         /* aliases */
#define COMM    0x01            /* needs exec arguments and environment (XXX) */
#define LJUST   0x02            /* left adjust on output (trailing blanks) */
#define USER    0x04            /* needs user structure */
        u_int   flag;
        int     (*oproc)();     /* output routine */
        short   width;          /* printing width */
        /*
         * The following (optional) elements are hooks for passing information
         * to the generic output routines: pvar, evar, uvar (those which print
         * simple elements from well known structures: proc, eproc, usave)
         */
        int     off;            /* offset in structure */
        enum    type type;      /* type of element */
        char    *fmt;           /* printf format */
        char    *time;          /* time format */
        /*
         * glue to link selected fields together
         */
        struct _var *next;
} VAR;

extern VAR var[], *vhead, *vtail;