diff options
Diffstat (limited to 'libio/libio.h')
| -rw-r--r-- | libio/libio.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libio/libio.h b/libio/libio.h index 702a666fd5..bbfdd9d325 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -346,11 +346,11 @@ extern _IO_FILE *_IO_stderr attribute_hidden; typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes); /* Write N bytes pointed to by BUF to COOKIE. Write all N bytes - unless there is an error. Return number of bytes written, or -1 if - there is an error without writing anything. If the file has been - opened for append (__mode.__append set), then set the file pointer - to the end of the file and then do the write; if not, just write at - the current file pointer. */ + unless there is an error. Return number of bytes written. If + there is an error, return 0 and do not write anything. If the file + has been opened for append (__mode.__append set), then set the file + pointer to the end of the file and then do the write; if not, just + write at the current file pointer. */ typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf, size_t __n); |