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#include "stdio_impl.h"
#include <stdio_ext.h>
size_t __freadahead(FILE *f)
{
return f->rend ? f->rend - f->rpos : 0;
}
const char *__freadptr(FILE *f, size_t *sizep)
{
if (f->rpos == f->rend) return 0;
*sizep = f->rend - f->rpos;
return (const char *)f->rpos;
}
void __freadptrinc(FILE *f, size_t inc)
{
f->rpos += inc;
}
void __fseterr(FILE *f)
{
f->flags |= F_ERR;
}
#ifdef TEST
int
main(void) {
return 0;
}
#endif
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