ksym2name
errx(1, "keysym %s not found", ksym2name(ksym));
printf(" %s", ksym2name(mp->command));
printf(" %s", ksym2name(mp->group1[0]));
printf(" %s", ksym2name(mp->group1[1]));
printf(" %s", ksym2name(mp->group2[0]));
printf(" %s", ksym2name(mp->group2[1]));
char * ksym2name(int);