ceas2.cpp: In function 'int main()': ceas2.cpp:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ceas2.cpp:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ceas2.cpp:49: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ceas2.cpp:15: warning: 'h' may be used uninitialized in this function ceas2.cpp:15: warning: 'm' may be used uninitialized in this function ceas2.cpp:15: warning: 's' may be used uninitialized in this function ceas2.cpp:15: warning: 'su' may be used uninitialized in this function