Performs multiple locking, unlocking, seeking, and I/O operations against one or more files.
#define INCL_DOSFILEMGR #include <os2.h> ULONG ulCmdMode; /* Command mode */ ULONG ulNumEntries; /* Number of LISTIO entries to process */ PLISTIO pListIO; /* Pointer to array of LISTIO structures */ APIRET ulrc; /* Return Code. */ ulrc = DosListIO(ulCmdMode, ulNumEntries, pListIO);