DosRead

#define INCL_DOSFILEMGR

USHORT  rc = DosRead(FileHandle, BufferArea, BufferLength, BytesRead);

HFILE            FileHandle;    /* File Handle */
PVOID            BufferArea;    /* User buffer (returned) */
USHORT           BufferLength;  /* Buffer length */
PUSHORT          BytesRead;     /* Bytes read (returned) */

USHORT           rc;            /* return code */