mine.c: In function 'main': mine.c:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result mine.c:14: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result mine.c:22: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result mine.c:31: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result mine.c:7: warning: 'iG' may be used uninitialized in this function mine.c:7: warning: 'jG' may be used uninitialized in this function