> Why do we use our POSIX headers, if they are not completely > functional? > for example I want to use 'lroundf()' function found in math.h. According to a quick Google search I just did, lroundf() was added to the C99 standard. I don't think our version of gcc supports that standard, or does it? Then again, R5 only supports a fraction of POSIX anyway. -Matthijs