ref: 2a29b497f215f91d05b6718a0e852e8a9b6ce6da
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); }