Compilare: user.c: In function ‘main’: user.c:125:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, MAXL + 1, in); ^ user.c:129:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, MAXL + 1, in); ^ user.c:133:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &n); ^ user.c:135:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, MAXL + 1, in); ^