fix for a trap on SIGINT restoring the default disposition in an asynchronous subshell; change cd exit status if -Pe supplied and the directory can't be changed; fix for compound associative array assignment if one of the expanded words unsets the array during word expansion; fixes for rare systems that don't have various defines and system calls

lib/termcap/termcap.c

@@ -611,7 +611,7 @@ scan_file (char *str, int fd, struct buffer *bufp)
   bufp->ateof = 0;
   *bufp->ptr = '\0';
 
-  lseek (fd, 0L, 0);
+  lseek (fd, 0L, SEEK_SET);
 
   while (!bufp->ateof)
     {