Compilare: main.cpp: In function 'int main()': main.cpp:11:54: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] char *s = (char*)malloc(5 * sizeof(char)), *next="", a, b; ^~ main.cpp:22:34: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while(next = strstr(next, ".")) ^ main.cpp:11:58: warning: unused variable 'a' [-Wunused-variable] char *s = (char*)malloc(5 * sizeof(char)), *next="", a, b; ^ main.cpp:11:61: warning: unused variable 'b' [-Wunused-variable] char *s = (char*)malloc(5 * sizeof(char)), *next="", a, b; ^