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#include <stdlib.h>

#include <errno.h>

int main(void)

{

        int pid;

        int status;

        char *argv[3];

        char *envp[3];

        argv[0] = "/bin/sh";

        argv[1] = "/etc/rc";

        argv[2] = NULL;

        envp[0] = "HOME=/";

        envp[1] = "TERM=linux";

        envp[2] =  NULL;

        printf("Executing shell ... \n");

        if (!(pid = vfork())) {

                execve("/bin/sh", argv, envp);

        }

        for (;;) {

                pid = wait4(pid, &status, 0, 0);

                if ((pid < 0) && (errno == EINTR))

                        continue;

                if (pid < 0)

                        break;

        }

        _exit(0);

        return 0;

}