1 files changed, 4 insertions, 4 deletions

diff --git a/tr.c b/tr.c
index 89fe3f5b0..2971ef68e 100644
--- a/tr.c
+++ b/tr.c
@@ -140,10 +140,10 @@ static unsigned int expand(char *arg, register unsigned char *buffer)
         return (buffer - buffer_start);
 }
 
-static int complement(unsigned char *buffer, unsigned int buffer_len)
+static int complement(unsigned char *buffer, int buffer_len)
 {
         register short i, j, index;
-        unsigned char conv[ASCII + 2];
+        char conv[ASCII + 2];
 
         index = 0;
         for (i = 0; i <= ASCII; i++) {
@@ -160,9 +160,9 @@ static int complement(unsigned char *buffer, unsigned int buffer_len)
 extern int tr_main(int argc, char **argv)
 {
         register unsigned char *ptr;
-        unsigned int output_length=0, input_length;
+        int output_length=0, input_length;
         int index = 1;
-        short i;
+        int i;
 
         if (argc > 1 && argv[index][0] == '-') {
                 for (ptr = (unsigned char *) &argv[index][1]; *ptr; ptr++) {