*** rev.c       Mon Mar 23 11:57:00 1992
--- /u/mandrews/src/BSD/db/db.1.85/test/rev.c   Mon Oct 16 12:58:26 1995
***************
*** 46,54 ****
--- 46,56 ----
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
+ #include "cdefs.h"
  
  void usage __P((void));
  void warn __P((const char *, ...));
+ char *fgetline __P((FILE *, size_t *));
  
  int
  main(argc, argv)
***************
*** 130,133 ****
--- 132,149 ----
  {
        (void)fprintf(stderr, "usage: rev [file ...]\n");
        exit(1);
+ }
+ 
+ char *
+ fgetline(FILE *fp, size_t *n)
+ {
+     static char buf[BUFSIZ];
+ 
+     if ((fgets(buf, BUFSIZ, fp)) == NULL)
+         *n = 0;
+     else {
+         *n = strlen(buf) - 1;
+         buf[(*n)] = '\0';
+     }
+     return(*n == 0 ? (char *)NULL : buf);
  }