include/std/std_streambuf.h

283 	const streamsize __ret = this->egptr() - this->gptr();
316 	if (__builtin_expect(this->gptr() < this->egptr(), true))
318 	    __ret = traits_type::to_int_type(*this->gptr());
338 	if (__builtin_expect(this->gptr() < this->egptr(), true))
339 	  __ret = traits_type::to_int_type(*this->gptr());
371 	const bool __testpos = this->eback() < this->gptr();
373 			     !traits_type::eq(__c, this->gptr()[-1]), false))
378 	    __ret = traits_type::to_int_type(*this->gptr());
396 	if (__builtin_expect(this->eback() < this->gptr(), true))
399 	    __ret = traits_type::to_int_type(*this->gptr());
474        *  - gptr() returns the next pointer for the input sequence
481       gptr()  const { return _M_in_cur;  }
501        *  @post  @a gbeg == @c eback(), @a gnext == @c gptr(), and
703 	    __ret = traits_type::to_int_type(*this->gptr());
714        *  @post  The constraints of @c gptr(), @c eback(), and @c pptr()
784 	if (this->gptr() < this->egptr())