std::basic_fstream<CharT,Traits>:: rdbuf
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       <
       
        cpp
       
        |
       
        io
       
        |
       
        basic fstream
       
      
     
     
     
     
        
         C++
        
        
         
          
           
          
          
         
        
       
       
        
         Input/output library
        
        
         
          
           
            
          
          
          
         
        
       
       | I/O manipulators | ||||
| Print functions (C++23) | ||||
| C-style I/O | ||||
| Buffers | ||||
| 
                
                 
                  
                   (C++23)
                  
                 
                
                | ||||
| 
                
                 
                  
                   (
                   
                    C++98/26*
                   
                   )
                  
                 
                
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| 
                
                 
                  
                   (C++20)
                  
                 
                
                | ||||
| Streams | ||||
| Abstractions | ||||
| File I/O | ||||
| String I/O | ||||
| Array I/O | ||||
| 
                
                 
                  
                   (C++23)
                  
                 
                
                | ||||
| 
                
                 
                  
                   (C++23)
                  
                 
                
                | ||||
| 
                
                 
                  
                   (C++23)
                  
                 
                
                | ||||
| 
                
                 
                  
                   (
                   
                    C++98/26*
                   
                   )
                  
                 
                
                | ||||
| 
                
                 
                  
                   (
                   
                    C++98/26*
                   
                   )
                  
                 
                
                | ||||
| 
                
                 
                  
                   (
                   
                    C++98/26*
                   
                   )
                  
                 
                
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| Synchronized Output | ||||
| 
                
                 
                  
                   (C++20)
                  
                 
                
                | ||||
| Types | ||||
| Error category interface | ||||
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                   (C++11)
                  
                 
                
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| 
                
                 
                  
                   (C++11)
                  
                 
                
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          std::basic_fstream
         
        
        
         
          
           
            
          
          
          
         
        
       
       | Member functions | ||||
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                   (C++11)
                  
                 
                
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                   (C++11)
                  
                 
                
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                   basic_fstream::rdbuf
                  
                 
                
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                   (C++26)
                  
                 
                
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| File operations | ||||
| Non-member functions | ||||
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                   (C++11)
                  
                 
                
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              std::
              
               basic_filebuf
              
             
            
            
             <
            
            CharT, Traits
            
             >
            
            
             *
            
            rdbuf
            
             (
            
            
             )
            
            
             const
            
            
             ;
            
           
           | (since C++11) | |
Returns pointer to the underlying raw file device object.
Parameters
(none)
Return value
Pointer to the underlying raw file device.
Example
| This section is incomplete Reason: no example | 
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