chkperm
if (chkperm(W_FILE1, filename, strchr(W_OPTNS, 'd'))) {
|| chkperm(W_FILE1, filename, strchr(W_OPTNS, 'd'))) {
if (chkperm(file1, file2, strchr(Optns, 'd')) &&
extern int chkperm(), chkpth(); /* permission.c */
extern int chkperm(), chkpth(); /* permission.c */
extern int chkperm(), chkpth(); /* permission.c */