ref: cf871907e412224c33be01bdaaf207bf2479ec26
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);