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- #include "stdio_impl.h"
- void __shlim(FILE *, off_t);
- int __shgetc(FILE *);
- #define shcnt(f) ((f)->shcnt + ((f)->rpos - (f)->rend))
- #define shlim(f, lim) __shlim((f), (lim))
- #define shgetc(f) (((f)->rpos < (f)->shend) ? *(f)->rpos++ : __shgetc(f))
- #define shunget(f) ((f)->shend ? (void)(f)->rpos-- : (void)0)
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