Eroare de compilare: user.c: In function ‘main’: user.c:12:2: error: unknown type name ‘bool’ bool ok = 1; ^ user.c:40:17: error: ‘operatii’ undeclared (first use in this function) fprintf(f,"%d",operatii); ^ user.c:40:17: note: each undeclared identifier is reported only once for each function it appears in user.c:10:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d", &x ,&y); ^