mmioStringToFOURCC function (mmiscapi.h)

2024-02-22

The mmioStringToFOURCC function converts a null-terminated string to a four-character code.

Syntax

FOURCC mmioStringToFOURCC(
  LPCSTR sz,
  UINT   uFlags
);

Parameters

sz

Pointer to a null-terminated string to convert to a four-character code.

uFlags

Flags for the conversion. The following value is defined:

Value	Meaning
MMIO_TOUPPER	Converts all characters to uppercase.

Return value

Returns the four-character code created from the given string.

Remarks

This function copies the string to a four-character code and pads it with space characters or truncates it if necessary. It does not check whether the code it returns is valid.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	mmiscapi.h (include Mmiscapi.h, Windows.h)
Library	Winmm.lib
DLL	Winmm.dll

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