pseudobil.cpp: In function 'int main()': pseudobil.cpp:48: warning: statement has no effect pseudobil.cpp:60: warning: statement has no effect pseudobil.cpp:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result pseudobil.cpp:17: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result pseudobil.cpp:59: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result pseudobil.cpp:61: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result