c++ - Simple .h file troubles -


i have simple simple simple .h file 

#ifndef _head #define _head  void getnextmove(char playersymbol, int &row, int &col);  #endif

included in .cpp file #include "head.h" is included in .cpp file #include "file.cpp". keep getting error 

/tmp/ccfn3b2g.o:proj1aux.cpp:(.text+0x0): multiple definition of `getnextmove(char, int&, int&)' /tmp/ccdzqlii.o:proj1.cpp:(.text+0x0): first defined here collect2: error: ld returned 1 exit status

does know cause that? thought putting #infdef... stop repetition.

including 1 .cpp file in .cpp file advanced technique that's best avoided until thoroughly understand normal use of #include. include header files now. if errors prototype not seen function declared in file, put in header file that's included both .cpp files.


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