m_openro

This function opens an existing file in read-only mode.

Syntax:      int far m_openro(FCB far *fp, char far *filespec, int len, int sys,
                              int nobuf) 
Parameters:  FCB far *fp - Pointer to the File Control Block 
             char far *filespec - Path and filename of file to be opened 
             int len - Size of file to be opened 
             int sys  - 0 =
                        non-zero = the desired file exists in the Metro system 
                                   directory (likely to be unnecessary in the 
                                   hand-held).  
             int nobuf - 0 = The file will be buffered.
                         non-zero = No buffering will be performed.
Returns:     If successful, the values in fp will be updated and 0 will be returned.
             Otherwise, a non-zero error code is returned.