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extern int my_delete(const char *name,myf MyFlags);
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extern int my_getwd(char * buf,size_t size,myf MyFlags);
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extern int my_setwd(const char *dir,myf MyFlags);
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extern int my_lock(File fd,int op,my_off_t start, my_off_t length,myf MyFlags);
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extern void *my_once_alloc(size_t Size,myf MyFlags);
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extern void my_once_free(void);
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extern char *my_once_strdup(const char *src,myf myflags);