Handle 0 case. - int2bit - Convert integer to funny way.
 (HTM) git clone git://bitreich.org/int2bit git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/int2bit
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       ---
 (DIR) commit d2039baff0597cd972de720326eae523d3515df7
 (DIR) parent 9987cd151f8ed60a51102d217cee5462e587e692
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Thu, 13 May 2021 22:42:16 +0200
       
       Handle 0 case.
       
       Diffstat:
         M int2bit.c                           |       5 +++++
       
       1 file changed, 5 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/int2bit.c b/int2bit.c
       @@ -24,6 +24,11 @@ main(int argc, char *argv[])
                in = atoi(argv[1]);
                srand(in);
        
       +        if (in == 0) {
       +                printf("0x0\n");
       +                return 0;
       +        }
       +
                for (hasprint = 0, hexprint = 0, i = (sizeof(in) * 8)-1; i >= 0; i--) {
                        if (in & (1<<i)) {
                                /* Decide about next step. */