Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:27:25: error: ‘strtok’ was not declared in this scope p = strtok(data, delim); ^ user.cpp:30:15: error: ‘strlen’ was not declared in this scope l+=strlen(p); ^ user.cpp:38:18: error: ‘itoa’ was not declared in this scope itoa(r,result,10); ^ user.cpp:26:26: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(data, 1, 512, in); ^