Eroare de compilare: user.c: In function ‘main’: user.c:5:2: error: unknown type name ‘FILE’ FILE *in = fopen("adunare.in", "r"); ^ user.c:5:2: warning: implicit declaration of function ‘fopen’ [-Wimplicit-function-declaration] user.c:5:13: warning: initialization makes pointer from integer without a cast [enabled by default] FILE *in = fopen("adunare.in", "r"); ^ user.c:6:2: error: unknown type name ‘FILE’ FILE *io = fopen("adunare.out", "w"); ^ user.c:6:13: warning: initialization makes pointer from integer without a cast [enabled by default] FILE *io = fopen("adunare.out", "w"); ^ user.c:8:2: warning: implicit declaration of function ‘fscanf’ [-Wimplicit-function-declaration] fscanf(in, "%d\n%d", &a, &b); ^ user.c:8:2: warning: incompatible implicit declaration of built-in function ‘fscanf’ [enabled by default] user.c:9:2: warning: implicit declaration of function ‘fprintf’ [-Wimplicit-function-declaration] fprintf(io, "%d", a+b); ^ user.c:9:2: warning: incompatible implicit declaration of built-in function ‘fprintf’ [enabled by default] user.c:11:2: warning: implicit declaration of function ‘fclose’ [-Wimplicit-function-declaration] fclose(in) ^ user.c:12:2: error: expected ‘;’ before ‘fclose’ fclose(io) ^