SB> void reverse (char line_in[], int index)
SB> {
SB>     if (line_in[index])
SB>     {
SB>         printf ("%c", line_in[index]);
SB>         index++;

Because you have incremented index above, it's value will be 1.

SB>         reverse (line_in, index);
SB>     }
SB>     printf ("%c", line_in[index]);

So this line will never be executed with index = 0.

BFN.  Paul.
@EOT:

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