Eroare de compilare: main.c: In function 'rezultat': main.c:22:22: warning: implicit declaration of function 'power' [-Wimplicit-function-declaration] fprintf(g, "%d\n", power(n, k));//aisare in fisierul out a rezultatelor ^~~~~ main.c: In function 'main': main.c:31:2: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration] system("pause"); ^~~~~~ main.c: In function 'rezultat': main.c:21:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &k); ^~~~~~~~~~~~~~~~~~~ ./ccKVVGoh.o: In function `rezultat': main.c:(.text+0xb2): undefined reference to `power' collect2: error: ld returned 1 exit status Non zero exit status: 1