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#include <sys/types.h>
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#include <sys/types.h>
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#include <libarch/config.h>
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#include <libarch/config.h>
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#ifndef NULL
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#ifndef NULL
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#define NULL 0
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    #define NULL  0
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#endif
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#endif
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#define getpagesize()     (PAGE_SIZE)
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#define getpagesize()  (PAGE_SIZE)
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#ifndef SEEK_SET
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#ifndef SEEK_SET
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    #define SEEK_SET    0
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    #define SEEK_SET  0
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    #define SEEK_CUR    1
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    #define SEEK_CUR  1
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    #define SEEK_END    2
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    #define SEEK_END  2
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#endif
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#endif
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extern ssize_t write(int, const void *, size_t);
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extern ssize_t write(int, const void *, size_t);
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extern ssize_t read(int, void *, size_t);
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extern ssize_t read(int, void *, size_t);
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extern off_t lseek(int, off_t, int);
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extern off_t lseek(int, off_t, int);
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extern int ftruncate(int, off_t);
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extern int ftruncate(int, off_t);
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extern int close(int);
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extern int close(int);
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extern int fsync(int);
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extern int unlink(const char *);
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extern int unlink(const char *);
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extern char *getcwd(char *buf, size_t);
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extern int rmdir(const char *);
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extern int rmdir(const char *);
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extern int chdir(const char *);
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extern int chdir(const char *);
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extern char *getcwd(char *buf, size_t);
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extern void _exit(int status) __attribute__ ((noreturn));
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extern void _exit(int status) __attribute__ ((noreturn));
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extern void *sbrk(ssize_t incr);
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extern int usleep(unsigned long usec);
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extern int usleep(unsigned long usec);
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extern unsigned int sleep(unsigned int seconds);
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extern unsigned int sleep(unsigned int seconds);
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#endif
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#endif
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