CharStr (PCH) - input
Address of the character string to be written.
Length (ULONG) - input
Row (ULONG) - input
Column (ULONG) - input
Attr (PBYTE) - input
Address of the attributes (1 or 3 bytes) to be used in the display buffer for each character of the string written.
VioHandle (HVIO) - input
This must be 0, unless the caller is a Presentation Manager application; in this case, it must be the value returned by VioCreatePS.
rc (APIRET) - returns