roua.c: In function 'main': roua.c:18: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result roua.c: In function 'nr_roua': roua.c:50: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result roua.c:67: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result roua.c: In function 'nr_rfrumoase': roua.c:77: warning: 'cif' may be used uninitialized in this function