ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/ape/lib/ap/plan9/umask.c/
#include <sys/types.h> #include <sys/stat.h> #include <errno.h> /* * No such concept in plan9, but supposed to be always successful */ mode_t umask(mode_t numask) { return 0; }