Compilare: main.c: In function 'GenericSort': main.c:46:4: warning: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration] memcpy(aux, v + ElementSize*l, ElementSize); ^~~~~~ main.c:46:4: warning: incompatible implicit declaration of built-in function 'memcpy' main.c:46:4: note: include '<string.h>' or provide a declaration of 'memcpy' main.c: In function 'main': main.c:107:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &n); ^~~~~~~~~~~~~~~~~~~ main.c:118:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &array[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~