diff options
Diffstat (limited to 'Doc/lib/libfuncs.tex')
| -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 34d2928..088f969 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -265,7 +265,10 @@ any kind of sequence; the result is always a list. \code{fopen()}: \var{filename} is the file name to be opened, \var{mode} indicates how the file is to be opened: \code{'r'} for reading, \code{'w'} for writing (truncating an existing file), and - \code{'a'} opens it for appending. Modes \code{'r+'}, \code{'w+'} and + \code{'a'} opens it for appending (which on {\em some} {\UNIX} + systems means that {\em all} writes append to the end of the file, + regardless of the current seek position). + Modes \code{'r+'}, \code{'w+'} and \code{'a+'} open the file for updating, provided the underlying \code{stdio} library understands this. On systems that differentiate between binary and text files, \code{'b'} appended to the mode opens |