extern _CLibFunc FILE *__fopen(const char *fname, int fd, FILE *fp, const char *mode);
extern _CLibFunc void __io_init(void);
extern _CLibFunc int fclose(FILE *fp);
extern _CLibFunc int fcloseall(void);
extern _CLibFunc int fflushall(void);
extern _CLibFunc int fflush(FILE *fp);
extern _CLibFunc size_t fget(char *buf, size_t bytes, FILE *fp);
extern _CLibFunc int fgetc(FILE *fp);
extern _CLibFunc char *fgets(char *s, size_t count, FILE *f);
extern _CLibFunc int fputc(int ch, FILE *fp);
extern _CLibFunc int fputs(const char *str, FILE *fp);
extern _CLibFunc size_t fread(void *buf, size_t size, size_t nelm, FILE *fp);
extern _CLibFunc int fseek(FILE *fp, off_t offset, int ref);
extern _CLibFunc off_t ftell(FILE *fp);
extern _CLibFunc size_t fwrite(const void *Xbuf, size_t size, size_t nelm, FILE *fp);
extern _CLibFunc char *gets(char *str);
extern _CLibFunc int printf(const char * fmt 	, ...);
extern _CLibFunc int sprintf(char *buf 	, const char * fmt 	, ...);
extern _CLibFunc int fprintf(FILE * fp 	, const char * fmt 	, ...);
extern _CLibFunc int vprintf(const char *fmt 	, va_list ap);
extern _CLibFunc int vfprintf(FILE *fp 	, REG const char *fmt 	, va_list ap);
extern _CLibFunc int puts(const char *str);
extern _CLibFunc void rewind(FILE *fp);
extern _CLibFunc int scanf(const char * fmt, ...);
extern _CLibFunc int sscanf(const char *buf, const char * fmt, ...);
extern _CLibFunc int fscanf(FILE * fp, const char * fmt, ...);
extern _CLibFunc int vscanf(const char *fmt, va_list ap);
extern _CLibFunc int vsscanf(char *buf, const char *fmt, va_list ap);
extern _CLibFunc vfscanf(FILE *fp, const char * fmt, va_list ap);
extern _CLibFunc void setbuffer(FILE *fp, char *buf, size_t size);
extern _CLibFunc int setvbuf(FILE *fp, char *buf, int mode, size_t size);
extern _CLibFunc int ungetc(int c, FILE *fp);
