Compilare: user.c: In function ‘main’: user.c:88:3: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &n, &m, &u); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.c:94:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d %d %c\n", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ &top, &left, &bottom, &right, &floare); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.c:109:3: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &q); ^~~~~~~~~~~~~~~~~~~~~ user.c:113:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &y, &x); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~