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| #define  | MAX(a,  b)   (((a)>(b))?(a):(b)) | 
|   | A macro that returns the maximum of a and b.  More...
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|   | 
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| int  | open (const char *, int) | 
|   | Opens a file descriptor.  More...
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|   | 
| int  | close (int) | 
|   | Closes the file descriptor fd.  More...
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|   | 
| size_t  | write (int, const char *, size_t) | 
|   | Writes count bytes from buf to the filedescriptor fd.  More...
  | 
|   | 
| int  | read (int, char *, size_t) | 
|   | Read bytes from a file descriptor.  More...
  | 
|   | 
A Documented file. 
Details. 
 
◆ MAX
      
        
          | #define MAX | 
          ( | 
            | 
          a,  | 
        
        
           | 
           | 
            | 
          b  | 
        
        
           | 
          ) | 
           |    (((a)>(b))?(a):(b)) | 
        
      
 
A macro that returns the maximum of a and b. 
Details. 
 
 
◆ UINT32
A type definition for a . 
Details. 
 
 
◆ close()
Closes the file descriptor fd. 
- Parameters
 - 
  
    | fd | The descriptor to close.  | 
  
   
 
 
◆ open()
      
        
          | int open  | 
          ( | 
          const char *  | 
          pathname,  | 
        
        
           | 
           | 
          int  | 
          flags  | 
        
        
           | 
          ) | 
           |  | 
        
      
 
Opens a file descriptor. 
- Parameters
 - 
  
    | pathname | The name of the descriptor.  | 
    | flags | Opening flags.  | 
  
   
 
 
◆ read()
      
        
          | int read  | 
          ( | 
          int  | 
          fd,  | 
        
        
           | 
           | 
          char *  | 
          buf,  | 
        
        
           | 
           | 
          size_t  | 
          count  | 
        
        
           | 
          ) | 
           |  | 
        
      
 
Read bytes from a file descriptor. 
- Parameters
 - 
  
    | fd | The descriptor to read from.  | 
    | buf | The buffer to read into.  | 
    | count | The number of bytes to read.  | 
  
   
 
 
◆ write()
      
        
          | size_t write  | 
          ( | 
          int  | 
          fd,  | 
        
        
           | 
           | 
          const char *  | 
          buf,  | 
        
        
           | 
           | 
          size_t  | 
          count  | 
        
        
           | 
          ) | 
           |  | 
        
      
 
Writes count bytes from buf to the filedescriptor fd. 
- Parameters
 - 
  
    | fd | The descriptor to write to.  | 
    | buf | The data buffer to write.  | 
    | count | The number of bytes to write.  | 
  
   
 
 
◆ errno
Contains the last error code. 
- Warning
 - Not thread safe!