1 files changed, 6 insertions, 6 deletions
diff --git a/user/sh.c b/user/sh.c
index 13c7883..c573c99 100644
--- a/user/sh.c
+++ b/user/sh.c
@@ -76,14 +76,14 @@ runcmd(struct cmd *cmd)
     if(ecmd->argv[0] == 0)
       exit();
     exec(ecmd->argv[0], ecmd->argv);
-    printf(2, "exec %s failed\n", ecmd->argv[0]);
+    fprintf(2, "exec %s failed\n", ecmd->argv[0]);
     break;
 
   case REDIR:
     rcmd = (struct redircmd*)cmd;
     close(rcmd->fd);
     if(open(rcmd->file, rcmd->mode) < 0){
-      printf(2, "open %s failed\n", rcmd->file);
+      fprintf(2, "open %s failed\n", rcmd->file);
       exit();
     }
     runcmd(rcmd->cmd);
@@ -133,7 +133,7 @@ runcmd(struct cmd *cmd)
 int
 getcmd(char *buf, int nbuf)
 {
-  printf(2, "$ ");
+  fprintf(2, "$ ");
   memset(buf, 0, nbuf);
   gets(buf, nbuf);
   if(buf[0] == 0) // EOF
@@ -161,7 +161,7 @@ main(void)
       // Chdir must be called by the parent, not the child.
       buf[strlen(buf)-1] = 0;  // chop \n
       if(chdir(buf+3) < 0)
-        printf(2, "cannot cd %s\n", buf+3);
+        fprintf(2, "cannot cd %s\n", buf+3);
       continue;
     }
     if(fork1() == 0)
@@ -174,7 +174,7 @@ main(void)
 void
 panic(char *s)
 {
-  printf(2, "%s\n", s);
+  fprintf(2, "%s\n", s);
   exit();
 }
 
@@ -334,7 +334,7 @@ parsecmd(char *s)
   cmd = parseline(&s, es);
   peek(&s, es, "");
   if(s != es){
-    printf(2, "leftovers: %s\n", s);
+    fprintf(2, "leftovers: %s\n", s);
     panic("syntax");
   }
   nulterminate(cmd);