__siov 1309 sprintf.c struct __siov *iov; __siov 229 vsnprintf.c struct __siov *uio_iov; __siov 245 vsnprintf.c register struct __siov *iov; __siov 543 vsnprintf.c register struct __siov *iovp;/* for PRINT macro */ __siov 570 vsnprintf.c struct __siov iov[NIOV];/* ... and individual io vectors */