Compilare: user.cpp: In function ‘int main()’: user.cpp:14:16: warning: unknown escape sequence: '\|' [enabled by default] p=strtok(s," ,.!?:;-_#$%^&*+=)('`~/\|><][}{"); ^ user.cpp:18:23: warning: unknown escape sequence: '\|' [enabled by default] p=strtok(NULL," ,.!?:;-_#$%^&*+=)('`~/\|><][}{"); ^ /tmp/ccRXberF.o: In function `main': user.cpp:(.text.startup+0x4d): warning: the `gets' function is dangerous and should not be used.