ref: b506c6489bfcb2dcaa8a99b8f1f574688b3cffc5
dir: /sys/src/libthread/ioclose.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" static long _ioclose(va_list *arg) { int fd; fd = va_arg(*arg, int); return close(fd); } int ioclose(Ioproc *io, int fd) { return iocall(io, _ioclose, fd); }