ref: c6ae349e9d67ef24ce429f699c5232a9acdcb1ea
dir: /sys/src/libthread/ioreadn.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" static long _ioreadn(va_list *arg) { int fd; void *a; long n; fd = va_arg(*arg, int); a = va_arg(*arg, void*); n = va_arg(*arg, long); return readn(fd, a, n); } long ioreadn(Ioproc *io, int fd, void *a, long n) { return iocall(io, _ioreadn, fd, a, n); }