Peter Wemm <peter at FreeBSD.org> writes: > I found a description that showed the va_copy was required here: > http://mirrors.ccs.neu.edu/cgi-bin/unixhelp/man-cgi?va_end+9 > The single unix spec doesn't mention va_copy() at all. It's a C99 macro, as DES mentioned it's in the newest SUS/POSIX. Best regards, Mike Barcroft