sotron1.cpp: In function 'int main()': sotron1.cpp:73: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result sotron1.cpp:78: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result sotron1.cpp:72: warning: 'stopx' may be used uninitialized in this function sotron1.cpp:72: warning: 'stopy' may be used uninitialized in this function