10 #include <sys/types.h>
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13 # define NULL ((void*)0)
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16 typedef unsigned int size_t;
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18 // --- Spinlock Macros ---
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19 #define DEFLOCK(_name) static int _spinlock_##_name=0;
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20 //#define LOCK(_name) __asm__ __volatile__("jmp ._tst;\n\t._lp:call yield;\n\t._tst:lock btsl $1,(%0);\n\tjc ._lp"::"D"(&_spinlock_##_name))
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21 #define LOCK(_name) do{int v=1;while(v){__asm__ __volatile__("lock cmpxchgl %%eax, (%1)":"=a"(v):"D"((&_spinlock_##_name)),"a"(1));yield();}}while(0)
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22 #define UNLOCK(_name) __asm__ __volatile__("lock andl $0, (%0)"::"D"(&_spinlock_##_name))
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25 extern int atoi(const char *ptr);
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26 extern void exit(int status) __attribute__((noreturn));
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28 // --- Environment ---
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29 extern char *getenv(const char *name);
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32 extern void free(void *mem);
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33 extern void *malloc(unsigned int bytes);
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34 extern void *realloc(void *oldPos, unsigned int bytes);
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35 extern int IsHeap(void *ptr);
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40 # define SEEK_END (-1)
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