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void aamloop(int);
void addconf(char*, ...);
Alarm* alarm(int, void (*)(Alarm*), void*);
void alarminit(void);
Block* allocb(int);
void apminit(void);
int bootpboot(int, char*, Boot*);
int bootpass(Boot*, void*, int);
void cancel(Alarm*);
int cdinit(void);
void check(char*);
void cgascreenputs(char*, int);
int cistrcmp(char*, char*);
int cistrncmp(char*, char*, int);
void changeconf(char*, ...);
void checkalarms(void);
void clockinit(void);
void consdrain(void);
void consinit(char*, char*);
void consputs(char*, int);
void delay(int);
uchar* etheraddr(int);
int etherinit(void);
void etherinitdev(int, char*);
void etherprintdevs(int);
int etherrxflush(int);
int etherrxpkt(int, Etherpkt*, int);
int ethertxpkt(int, Etherpkt*, int, int);
#define evenaddr(x) /* 386 doesn't care */
int floppyboot(int, char*, Boot*);
int floppyinit(void);
void floppyinitdev(int, char*);
void floppyprintdevs(int);
void* floppygetfspart(int, char*, int);
void freeb(Block*);
char* getconf(char*);
ulong getcr0(void);
ulong getcr2(void);
ulong getcr3(void);
ulong getcr4(void);
int getfields(char*, char**, int, char);
int getstr(char*, char*, int, char*, int);
int gunzip(uchar*, int, uchar*, int);
void i8042a20(void);
void i8042init(void);
void i8042reset(void);
void* ialloc(ulong, int);
void idle(void);
void ilock(Lock*);
int inb(int);
ushort ins(int);
ulong inl(int);
void insb(int, void*, int);
void inss(int, void*, int);
void insl(int, void*, int);
void iunlock(Lock*);
int isaconfig(char*, int, ISAConf*);
void kbdinit(void);
void kbdchar(int);
void machinit(void);
void meminit(ulong);
void microdelay(int);
void mmuinit(void);
#define nelem(x) (sizeof(x)/sizeof(x[0]))
char* nextelem(char*, char*);
uchar nvramread(int);
void outb(int, int);
void outs(int, ushort);
void outl(int, ulong);
void outsb(int, void*, int);
void outss(int, void*, int);
void outsl(int, void*, int);
void panic(char*, ...);
int pcicfgr8(Pcidev*, int);
int pcicfgr16(Pcidev*, int);
int pcicfgr32(Pcidev*, int);
void pcicfgw8(Pcidev*, int, int);
void pcicfgw16(Pcidev*, int, int);
void pcicfgw32(Pcidev*, int, int);
void pcihinv(Pcidev*);
Pcidev* pcimatch(Pcidev*, int, int);
uchar pciintl(Pcidev *);
uchar pciipin(Pcidev *, uchar);
void pcireset(void);
void pcisetbme(Pcidev*);
int pcmcistuple(int, int, void*, int);
int pcmspecial(char*, ISAConf*);
void pcmspecialclose(int);
void pcmunmap(int, PCMmap*);
void ptcheck(char*);
void putcr3(ulong);
void putidt(Segdesc*, int);
void* pxegetfspart(int, char*, int);
void qinit(IOQ*);
void readlsconf(void);
void sdaddconf(int);
int sdboot(int, char*, Boot*);
void sdcheck(char*);
void* sdgetfspart(int, char*, int);
int sdinit(void);
void sdinitdev(int, char*);
void sdprintdevs(int);
int sdsetpart(int, char*);
void setvec(int, void (*)(Ureg*, void*), void*);
int splhi(void);
int spllo(void);
void splx(int);
void trapinit(void);
void trapdisable(void);
void trapenable(void);
void uartdrain(void);
void uartspecial(int, void (*)(int), int (*)(void), int);
void uartputs(IOQ*, char*, int);
ulong umbmalloc(ulong, int, int);
void umbfree(ulong, int);
ulong umbrwmalloc(ulong, int, int);
void upafree(ulong, int);
ulong upamalloc(ulong, int, int);
void warp86(char*, ulong);
void warp9(ulong);
int x86cpuid(int*, int*);
void* xspanalloc(ulong, int, ulong);
#define malloc(n) ialloc(n, 0)
#define mallocz(n, c) ialloc(n, 0)
#define free(v) while(0)
#define GSHORT(p) (((p)[1]<<8)|(p)[0])
#define GLONG(p) ((GSHORT(p+2)<<16)|GSHORT(p))
#define GLSHORT(p) (((p)[0]<<8)|(p)[1])
#define GLLONG(p) (((ulong)GLSHORT(p)<<16)|GLSHORT(p+2))
#define PLLONG(p,v) (p)[3]=(v);(p)[2]=(v)>>8;(p)[1]=(v)>>16;(p)[0]=(v)>>24
#define KADDR(a) ((void*)((ulong)(a)|KZERO))
#define PADDR(a) ((ulong)(a)&~0xF0000000)
#define HOWMANY(x, y) (((x)+((y)-1))/(y))
#define ROUNDUP(x, y) (HOWMANY((x), (y))*(y))
#define xalloc(n) ialloc(n, 0)
#define xfree(v) while(0)
#define lock(l) if(l){/* nothing to do */;}else{/* nothing to do */;}
#define unlock(l) if(l){/* nothing to do */;}else{/* nothing to do */;}
int dmacount(int);
int dmadone(int);
void dmaend(int);
void dmainit(int);
long dmasetup(int, void*, long, int);
extern int (*_pcmspecial)(char *, ISAConf *);
extern void (*_pcmspecialclose)(int);
extern void devi82365link(void);
extern void devpccardlink(void);
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