Compilare: user.c: In function ‘KMPSearch’: user.c:15:9: warning: unused variable ‘index’ [-Wunused-variable] int index; ^ user.c: In function ‘main’: user.c:105:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d\n", &T); ^ user.c:107:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", S); ^ user.c:108:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", st); ^ user.c:109:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s\n", dr); ^