+ return (dp++);
+}
+
+/*
+ * Prepare to scan a set of inodes.
+ */
+void
+resetinodebuf()
+{
+
+ nextino = 0;
+ lastinum = 0;
+ readcnt = 0;
+ inobufsize = blkroundup(&sblock, INOBUFSIZE);
+ fullcnt = inobufsize / sizeof(struct dinode);
+ readpercg = sblock.fs_ipg / fullcnt;
+ partialcnt = sblock.fs_ipg % fullcnt;
+ partialsize = partialcnt * sizeof(struct dinode);
+ if (partialcnt != 0) {
+ readpercg++;
+ } else {
+ partialcnt = fullcnt;
+ partialsize = inobufsize;
+ }
+ if (inodebuf == NULL &&
+ (inodebuf = malloc((u_int)inobufsize)) == NULL)
+ err("%s", strerror(errno));
+ while (nextino < ROOTINO)
+ getnextinode(nextino);
+}
+
+/*
+ * Free up data structures used to scan inodes.
+ */
+void
+freeinodebuf()
+{
+
+ if (inodebuf != NULL)
+ free(inodebuf);
+ inodebuf = NULL;
+}
+
+/*
+ * Read specified disk blocks.
+ */
+void
+bread(bno, buf, cnt)
+ daddr_t bno;
+ char *buf;
+ long cnt;
+{
+
+ if (lseek(fi, (off_t)bno * dev_bsize, 0) < 0 ||
+ read(fi, buf, cnt) != cnt)
+ err("block %ld", bno);
+}
+
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+void
+#if __STDC__
+err(const char *fmt, ...)
+#else
+err(fmt, va_alist)
+ char *fmt;
+ va_dcl
+#endif
+{
+ va_list ap;
+#if __STDC__
+ va_start(ap, fmt);
+#else
+ va_start(ap);
+#endif
+ (void)fprintf(stderr, "quotacheck: ");
+ (void)vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ (void)fprintf(stderr, "\n");
+ exit(1);
+ /* NOTREACHED */