ref: c1c79f43a6084eddc83de124b371a8b689e310a6
dir: /src/cmd/sys.h/
struct fprop { unsigned uid; unsigned gid; unsigned long mode; long size; time_t time; }; extern const char invalidchars[]; extern time_t totime(long long t); extern char *canonical(char *path); extern int getstat(char *fname, struct fprop *prop); extern int setstat(char *fname, struct fprop *prop);