Remove puts in favor of printf.

Allow multiple arguments to ls.

1 files changed, 2 insertions, 5 deletions

diff --git a/echo.c b/echo.c
index 7bf3a45..806dee0 100644
--- a/echo.c
+++ b/echo.c
@@ -7,10 +7,7 @@ main(int argc, char *argv[])
 {
   int i;
 
-  for(i = 1; i < argc; i++){
-    puts(argv[i]);
-    puts(" ");
-  }
-  puts("\n");
+  for(i = 1; i < argc; i++)
+    printf(1, "%s%s", argv[i], i+1 < argc ? " " : "\n");
   exit();
 }