wow.cpp: In function 'int main()': wow.cpp:19: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result wow.cpp:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result wow.cpp:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result wow.cpp:18: warning: 'l' may be used uninitialized in this function wow.cpp:18: warning: 'c' may be used uninitialized in this function