Eroare de compilare: user.c: In function ‘main’: user.c:6:2: error: unknown type name ‘FILE’ FILE *in, *out; ^ user.c:7:2: warning: implicit declaration of function ‘fopen’ [-Wimplicit-function-declaration] in = fopen("pang.in", "r"); ^ user.c:7:5: warning: assignment makes pointer from integer without a cast [enabled by default] in = fopen("pang.in", "r"); ^ user.c:8:6: warning: assignment makes pointer from integer without a cast [enabled by default] out = fopen("pang.out", "w"); ^ user.c:9:2: warning: implicit declaration of function ‘fscanf’ [-Wimplicit-function-declaration] fscanf(in, "%d", &t); ^ user.c:9:2: warning: incompatible implicit declaration of built-in function ‘fscanf’ [enabled by default] user.c:12:3: warning: implicit declaration of function ‘fprintf’ [-Wimplicit-function-declaration] fprintf(out, "Nu\n"); ^ user.c:12:3: warning: incompatible implicit declaration of built-in function ‘fprintf’ [enabled by default]