Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
              TC: int _read( int handle, void *buf, int size )              
                                                                                
                                                                                
        - prototype in io.h                                                     
                                                                                
        - reads "size" bytes from file "handle" into "buf"                      
        - size must be less than 65534 bytes                                    
        - is a direct call to MS-DOS read function INT 21,3F                    
        - does not translate CR/LF;  all input in binary                        
        - returns number of bytes successfully transferred or -1                
        - MS C uses _dos_read()                                                 
                                                                                
        - see   read()  _open()  _creat()  _write()   _close()                  
                                                                                
 

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