diff options
Diffstat (limited to 'io/sys/sendfile.h')
| -rw-r--r-- | io/sys/sendfile.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/io/sys/sendfile.h b/io/sys/sendfile.h index 0627c40464..797822b9fe 100644 --- a/io/sys/sendfile.h +++ b/io/sys/sendfile.h @@ -25,8 +25,11 @@ __BEGIN_DECLS -/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to - descriptor OUT_FD. */ +/* Send up to COUNT bytes from file associated with IN_FD starting at + *OFFSET to descriptor OUT_FD. Set *OFFSET to the IN_FD's file position + following the read bytes. If OFFSET is a null pointer, use the normal + file position instead. Return the number of written bytes, or -1 in + case of error. */ #ifndef __USE_FILE_OFFSET64 extern ssize_t sendfile (int __out_fd, int __in_fd, off_t *__offset, size_t __count) __THROW; |