make code match comment

1 files changed, 1 insertions, 1 deletions

diff --git a/sysfile.c b/sysfile.c
index f12b2e1..d18aa1b 100644
--- a/sysfile.c
+++ b/sysfile.c
@@ -17,7 +17,7 @@ argfd(int n, int *pfd, struct file **pf)
   int fd;
   struct file *f;
 
-  if(argint(argno, &fd) < 0)
+  if(argint(n, &fd) < 0)
     return -1;
   if(fd < 0 || fd >= NOFILE || (f=cp->ofile[fd]) == 0)
     return -1;