CK_WRITE
if (chkpth(filename, CK_WRITE)
if (flag == CK_WRITE)
if (chkpth(file, CK_WRITE) != FAIL)
if (chkpth(tfull, CK_WRITE) == FAIL) {
if (chkpth(ffull, CK_WRITE) == FAIL ||
chkpth(file, CK_WRITE) == FAIL)
if (chkpth(fout, CK_WRITE)) {
if (chkpth(ferr, CK_WRITE)) {