25 #ifndef SFML_INPUTSTREAM_H    26 #define SFML_INPUTSTREAM_H    31 #include <SFML/System/Export.h>    34 typedef sfInt64 (*sfInputStreamReadFunc)(
void* data, sfInt64 size, 
void* userData);
    35 typedef sfInt64 (*sfInputStreamSeekFunc)(sfInt64 position, 
void* userData);
    36 typedef sfInt64 (*sfInputStreamTellFunc)(
void* userData);
    37 typedef sfInt64 (*sfInputStreamGetSizeFunc)(
void* userData);
    46     sfInputStreamReadFunc    
read;     
    47     sfInputStreamSeekFunc    
seek;     
    48     sfInputStreamTellFunc    
tell;     
    54 #endif // SFML_INPUTSTREAM_H