Compilare: user.c: In function ‘main’: user.c:16:5: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘char (*)[1000000]’ [-Wformat=] fscanf(f,"%s",&q); ^ user.c:20:5: warning: implicit declaration of function ‘strlen’ [-Wimplicit-function-declaration] while(i<strlen(q)) ^ user.c:20:13: warning: incompatible implicit declaration of built-in function ‘strlen’ [enabled by default] while(i<strlen(q)) ^