Compilare: user.cpp: In function ‘int cit()’: user.cpp:14:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(poz<lSize&&buffer[poz]<'0'||buffer[poz]>'9') ^ user.cpp: In function ‘int main()’: user.cpp:27:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer,1,lSize,fi); ^