seif1.cpp: In function 'int main()': seif1.cpp:9: warning: unused variable 's1' seif1.cpp:10: warning: unused variable 'p' seif1.cpp:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result seif1.cpp:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result