Eroare de compilare: user.c: In function ‘cmmdc’: user.c:11:5: error: expected ‘(’ before ‘a’ if a == 1 ^ user.c:11:5: warning: statement with no effect [-Wunused-value] user.c: In function ‘main’: user.c:19:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &a); ^ user.c:20:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &b); ^