FOURCC mmioStringToFOURCC(sz, wFlags)
This function converts a null-terminated string to a four-character code.
LPSTR sz
Specifies a far pointer to a null-terminated string to a four-character code.
WORD wFlags
Specifies options for the conversion:
MMIO_TOUPPER
Converts all characters to uppercase.
The return value is the four character code created from the given string.
This function does not check to see if the string sz follows conventions regarding legal characters to use in a four-character code. The string is simply copied to a four-character code and padded to the right with blanks or truncated to four characters as required.
mmioFOURCC