Clean up the code a bit:

- add $FreeBSD$;
- remove unused variables;
- add missing headers and prototypes;
- -Wshadow.

1 files changed, 5 insertions, 9 deletions

diff --git a/usr.bin/doscmd/exe.c b/usr.bin/doscmd/exe.c
index ce9a8f0..083a95d 100644
--- a/usr.bin/doscmd/exe.c
+++ b/usr.bin/doscmd/exe.c
@@ -31,10 +31,13 @@
  * $FreeBSD$
  */
 
-#include <stdio.h>
 #include <sys/types.h>
-#include <stdlib.h>
+#include <sys/uio.h>
 #include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
 #include "doscmd.h"
 
 /* exports */
@@ -45,7 +48,6 @@ int	curpsp = 0;
 static int		psp_s[10] = { 0 };
 static int		env_s[10];
 static regcontext_t	frames[10];
-static char		*env_block;
 
 static int
 make_environment (char *cmdname, char **env)
@@ -363,12 +365,6 @@ load_overlay(int fd, int start_segment, int reloc_segment)
 	load_exe(fd, start_segment, reloc_segment, &hdr, text_size);
 }
 
-static int
-get_psp(void)
-{
-    return(psp_s[curpsp]);
-}
-
 int
 get_env(void)
 {