10
#define FSETLOCKING_QUERY 0
11
#define FSETLOCKING_INTERNAL 1
12
#define FSETLOCKING_BYCALLER 2
15
int __fsetlocking(FILE *, int);
16
int __fwriting(FILE *);
17
int __freading(FILE *);
18
int __freadable(FILE *);
19
int __fwritable(FILE *);
21
size_t __fbufsize(FILE *);
22
size_t __fpending(FILE *);
25
size_t __freadahead(FILE *);
26
const char *__freadptr(FILE *, size_t *);
27
void __freadptrinc(FILE *, size_t);
28
void __fseterr(FILE *);