Fix warnings. Better error message for missing -c argument.
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@ -1,8 +1,10 @@
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/*@group*/
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#include <unistd.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int
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int
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main (int argc, char **argv)
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{
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int aflag = 0;
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@ -28,7 +30,9 @@ main (int argc, char **argv)
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cvalue = optarg;
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break;
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case '?':
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if (isprint (optopt))
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if (optopt == 'c')
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fprintf (stderr, "Option -%c requires an argument.\n", optopt);
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else if (isprint (optopt))
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fprintf (stderr, "Unknown option `-%c'.\n", optopt);
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else
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fprintf (stderr,
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