The following PL/I built-in functions are supported by CodeWatch:
| ADD | COLLATE | HBOUND | NULL |
| ADDR | COPY | HIGH | RANK |
| BINARY | DECIMAL | LBOUND | SUBSTR |
| BIT | DIMENSION | LENGTH | TRIM |
| BYTE | FIXED | LOW | UNSPEC |
| CHARACTER | FLOAT | MULTIPLY | VERIFY |
The following abbreviations for PL/I built-in functions are recognized: