test.c

#include <stdio.h>
#include <newt.h>

int main(void) {

    int selection;
    char *list_entries[] = { "One", "Two", "Three", "Four", "Five", "Six", "Seven", NULL };

    newtInit();
    newtCls();
    newtPushHelpLine(NULL);

    newtWinMenu("List", "test list", 40, 0, 0, 5, list_entries, &selection, "Ok", "Cancel", NULL);

    newtFinished();
    puts(list_entries[selection]);

    return 0;
}