RNF
char *fi[RNF];
char *fields[RNF+1];
fields[RNF] = NULL;
nf = split(buf, fields, RNF, tests[n].seps);
} else if (fields[RNF] != NULL) {
for (i = 0; i < nf && i < RNF; i++) {
print(nf, RNF, fields);