prfield
prfield(p + 1, 0);
prfield(p + 3, 0);
prfield(p + 4, 0);
prfield(p + 5, 0);
prfield(&fields[i], sep);
prfield(&fields[i], 0);
prfield(p, sep);
static void prfield(const struct field *p, const char *sep);
prfield(p, ": ", 0);
prfield(p, 0, 0);
prfield(p, sep, vflag), fprintf(out, "\n");
prfield(&fields[i], sep, vflag);