1 #include "stdio_impl.h"
2
3 /* This function assumes it will never be called if there is already
4 * data buffered for reading. */
5
__uflow(FILE *f)6 int __uflow(FILE *f)
7 {
8 unsigned char c;
9 if (!__toread(f) && f->read(f, &c, 1)==1) return c;
10 return EOF;
11 }
12