Compilare: main.c: In function 'ex2': main.c:34:10: warning: declaration does not declare anything }; ^ main.c: In function 'ex1': main.c:8:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd",&n); ^~~~~~~~~~~~~~~ main.c: In function 'ex2': main.c:43:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^~~~~~~~~~~~~~~~~ main.c:46:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&blankspace); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:50:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%[^\n]%*c",v[i].adresa); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~