Compilare: user.c: In function ‘main’: user.c:53:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &t); ^ user.c:55:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s1, MAXL + 2, in); ^ user.c:56:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s2, MAXL + 2, in); ^