arrows.c: In function 'main': arrows.c:14: warning: format '%d' expects type 'int *', but argument 3 has type 'char *' arrows.c:9: warning: unused variable 'sb' arrows.c:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result arrows.c:14: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result arrows.c:15: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result