Eroare de compilare: user.c:8:2: error: unknown type name ‘lista’ lista *next; ^ user.c:9:1: warning: useless storage class specifier in empty declaration [enabled by default] }; ^ user.c:10:15: error: unknown type name ‘lista’ void add_list(lista *&key, int val) ^ user.c: In function ‘radix_sort’: user.c:30:2: error: unknown type name ‘lista’ lista *T[10]; ^ user.c:37:4: warning: implicit declaration of function ‘add_list’ [-Wimplicit-function-declaration] add_list(T[(v[i] / pas) % 10], v[i]); ^ user.c:41:4: error: unknown type name ‘lista’ lista *c = T[i]; ^ user.c:44:16: error: request for member ‘val’ in something not a structure or union v[++nr] = c->val; ^ user.c:45:10: error: request for member ‘next’ in something not a structure or union c = c->next; ^ user.c: In function ‘main’: user.c:58:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp, "%d%d%d%d", &n, &a, &b, &c); ^