| @node setvbuf | |
| @subsection @code{setvbuf} | |
| @findex setvbuf | |
| POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/setvbuf.html} | |
| Gnulib module: --- | |
| Portability problems fixed by Gnulib: | |
| @itemize | |
| @end itemize | |
| Portability problems not fixed by Gnulib: | |
| @itemize | |
| @item | |
| On Windows platforms (excluding Cygwin), this function does not set @code{errno} | |
| upon failure. | |
| @item | |
| On Windows platforms (excluding Cygwin), @code{_IOLBF} (line-buffering) | |
| is treated as if it were @code{_IOFBF} (full buffering), | |
| possibly with a warning generated. | |
| @end itemize |