#define REAL_PATH "/path/to/script"
main(ac, av)
    char **av;
{
    execv(REAL_PATH, av);
}

##</code><code>##

#include <unistd.h> /* for execv() */
#include <stdio.h> /* for perror() */

#define REAL_PATH "/path/to/script"

int main(int argc, char ** argv)
{
    execv(REAL_PATH, argv);
    perror("Can't execute main script");
    return 126;
}