ref: 4d59f9bd1a0051feaf9e52a2c10d6b05807c59f4
dir: /sys/src/libthread/ioflush.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" long _ioflush(va_list *) { return 0; } int ioflush(Ioproc *io) { return iocall(io, _ioflush); }