ref: a5f2c1a41746a077bbb34b127e23240d1f38c2b3
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);