#include <stdlib.h>
#include <stdio.h>

int
main(int argc, const char *argv[])
{
    char *envvar = getenv("TESTENV");

    if (envvar == NULL)
    {
	puts("TESTENV not defined!");
	return -1;
    }

    printf("TESTENV: %s\n", envvar);
    return 0;
}