ref: 6e6beff85d3f2d71c4e1d92d1f2091d01c7d5c34 dir: /sys/src/ape/lib/bsd/shutdown.c/
#include <sys/types.h> #include <unistd.h> int shutdown(int fd, int how) { if(how == 2) close(fd); return 0; }