1 – buf
The buffer declared to receive the text. Value: Address of the buffer declared to receive the text Data type: Character string Passing By reference mechanism:
2 – len
The length of the buffer declared to receive the text. Value: The length of the character string pointed to by the first parameter Data type: Longword Passing By value mechanism:
3 – errmsglen
The number of characters allotted for the error messages to be returned. Value: Number of characters allotted for the error messages Data type: Longword Passing By reference mechanism: