# mfsHFwrite

Format: s32 mfsHFwrite(MfsFile handle, void* buf, s32 len)

Arguments:

    handle	File handle
    *buf	Pointer to buffer in which data to be written is stored
    len	Size of data to be written

Return value:Size of data that was written (a negative value is an error)

Function: Writes data

Description: This function writes data to the file specified by handle.

Main errors:

    MFS_ERR_FATAL	File open error
    		The file is not opened.
    MFS_ERR_DEVICE	Device error
    		An error occurred in an internally called Leo function.
    Since a Leo function error is stored in the variable mfsError, check this variable to perform processing.
    MFS_ERR_HEADER	Header error
    		The header area is corrupted.  If it is the RAM area, try to repair it.
    MFS_ERR_PROTECT Write protected
    		The medium is write protected.