21 lines
392 B
C
21 lines
392 B
C
#include <stdio.h>
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#include <unistd.h>
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int
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main(int argc, char **argv, char **envp)
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{
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char *arr = NULL;
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char **ptr =
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#ifdef PTR_TO_NULL
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&arr;
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printf("%s: using &NULL as argv...\n", argv[0]);
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#else
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NULL;
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printf("%s: using just NULL as argv...\n", argv[0]);
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#endif
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printf("%s: argv == %p\n", argv[0], ptr);
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execve(argv[1], ptr, envp);
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return 0;
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}
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