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/* entry point for internal commands
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/* entry point for internal commands
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 * matches internal commands and executes them
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 * matches internal commands and executes them
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 * returns exit code or -1 if not processed */
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 * returns -1 or exit code if processed
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 * returns -2 if command unrecognized */
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#include <i86.h>
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#include <i86.h>
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#include <stdio.h>
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#include <stdio.h>
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#include "helpers.h"
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#include "helpers.h"
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int cmd_process(int argc, const char **argv, unsigned short env_seg) {
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int cmd_process(int argc, const char **argv, unsigned short env_seg) {
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  if (imatch(argv[0], "set")) return(cmd_set(argc, argv, env_seg));
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  if (imatch(argv[0], "set")) return(cmd_set(argc, argv, env_seg));
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  return(-1);
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  return(-2); /* command is not recognized as internal */
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}
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}