diff options
| -rw-r--r-- | Doc/lib/libfuncs.tex | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex index 0506690..ae4af6c 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -443,7 +443,10 @@ one argument, return the smallest of the arguments. binary file, you should append \code{'b'} to the \var{mode} value for improved portability. (It's useful even on systems which don't treat binary and text files differently, where it serves as - documentation.) The optional \var{bufsize} argument specifies the + documentation.) + \index{line-buffered I/O}\index{unbuffered I/O}\index{buffer size, I/O} + \index{I/O control!buffering} + The optional \var{bufsize} argument specifies the file's desired buffer size: 0 means unbuffered, 1 means line buffered, any other positive value means use a buffer of (approximately) that size. A negative \var{bufsize} means to use |