uio_iov 65 usr/lib/libc/stdio/fvwrite.c iov = uio->uio_iov; uio_iov 43 usr/lib/libc/stdio/fvwrite.h struct __siov *uio_iov; uio_iov 273 usr/lib/libc/stdio/vfprintf.c uio.uio_iov = iovp = iov;