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Annotation of Net2/sys/systm.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1982, 1988, 1991 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)systm.h     7.17 (Berkeley) 5/25/91
        !            34:  */
        !            35: 
        !            36: extern char *panicstr;         /* panic message */
        !            37: extern char version[];         /* system version */
        !            38: extern char copyright[];       /* system copyright */
        !            39: 
        !            40: extern int nblkdev;            /* number of entries in bdevsw */
        !            41: extern int nchrdev;            /* number of entries in cdevsw */
        !            42: extern int nswdev;             /* number of swap devices */
        !            43: extern int nswap;              /* size of swap space */
        !            44: 
        !            45: extern int selwait;            /* select timeout address */
        !            46: 
        !            47: extern u_char curpri;          /* priority of current process */
        !            48: 
        !            49: extern int maxmem;             /* max memory per process */
        !            50: extern int physmem;            /* physical memory */
        !            51: 
        !            52: extern dev_t dumpdev;          /* dump device */
        !            53: extern long dumplo;            /* offset into dumpdev */
        !            54: 
        !            55: extern dev_t rootdev;          /* root device */
        !            56: extern struct vnode *rootvp;   /* vnode equivalent to above */
        !            57: 
        !            58: extern dev_t swapdev;          /* swapping device */
        !            59: extern struct vnode *swapdev_vp;/* vnode equivalent to above */
        !            60: 
        !            61: extern struct sysent {         /* system call table */
        !            62:        int     sy_narg;        /* number of arguments */
        !            63:        int     (*sy_call)();   /* implementing function */
        !            64: } sysent[];
        !            65: 
        !            66: extern int boothowto;          /* reboot flags, from console subsystem */
        !            67: #ifdef KADB
        !            68: extern char *bootesym;         /* end of symbol info from boot */
        !            69: #endif
        !            70: 
        !            71: /* casts to keep lint happy */
        !            72: #define        insque(q,p)     _insque((caddr_t)q,(caddr_t)p)
        !            73: #define        remque(q)       _remque((caddr_t)q)
        !            74: 
        !            75: /*
        !            76:  * General function declarations.
        !            77:  */
        !            78: int    nullop __P((void));
        !            79: int    enodev __P((void));
        !            80: int    enoioctl __P((void));
        !            81: int    enxio __P((void));
        !            82: int    eopnotsupp __P((void));
        !            83: int    seltrue __P((dev_t dev, int which, struct proc *p));
        !            84: 
        !            85: void   panic __P((char *));
        !            86: void   tablefull __P((char *));
        !            87: void   addlog __P((const char *, ...));
        !            88: void   log __P((int, const char *, ...));
        !            89: void   printf __P((const char *, ...));
        !            90: int    sprintf __P((char *buf, const char *, ...));
        !            91: void   ttyprintf __P((struct tty *, const char *, ...));
        !            92: 
        !            93: void   bcopy __P((void *from, void *to, u_int len));
        !            94: void   ovbcopy __P((void *from, void *to, u_int len));
        !            95: void   bzero __P((void *buf, u_int len));
        !            96: int    bcmp __P((void *str1, void *str2, u_int len));
        !            97: int    strlen __P((char *string));
        !            98: 
        !            99: int    copystr __P((void *kfaddr, void *kdaddr, u_int len, u_int *done));
        !           100: int    copyinstr __P((void *udaddr, void *kaddr, u_int len, u_int *done));
        !           101: int    copyoutstr __P((void *kaddr, void *udaddr, u_int len, u_int *done));
        !           102: int    copyin __P((void *udaddr, void *kaddr, u_int len));
        !           103: int    copyout __P((void *kaddr, void *udaddr, u_int len));
        !           104: 
        !           105: int    fubyte __P((void *base));
        !           106: #ifdef notdef
        !           107: int    fuibyte __P((void *base));
        !           108: #endif
        !           109: int    subyte __P((void *base, int byte));
        !           110: int    suibyte __P((void *base, int byte));
        !           111: int    fuword __P((void *base));
        !           112: int    fuiword __P((void *base));
        !           113: int    suword __P((void *base, int word));
        !           114: int    suiword __P((void *base, int word));
        !           115: 
        !           116: int    scanc __P((unsigned size, u_char *cp, u_char *table, int mask));
        !           117: int    skpc __P((int mask, int size, char *cp));
        !           118: int    locc __P((int mask, char *cp, unsigned size));
        !           119: int    ffs __P((long value));

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