ocr: Function Description SRAlOCSHNIngOLECHAR7 Allocates a BSTR from an OLECHAR string (Hint: You con conyert o standard Ct string to OLECHAR using the 120LE macro.) SysStringlen(BSTR) Determines the length OT BSTR. SysFreeString(BSTR) Frees a previously ollocated BSTR. Dont forget to cal this tunction when you're finished with the string, Figure 14: Three important OLE-detined functions.