Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:26: error: ‘strlen’ was not declared in this scope for (i = 0; i < strlen(S); i=i+8) ^ user.cpp:28:23: error: ‘strncpy’ was not declared in this scope strncpy(sec,S + i,8); ^ user.cpp:60:32: error: ‘strlen’ was not declared in this scope for (i = 0; i <= strlen(final); i++) ^ user.cpp:64:16: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] system("pause"); ^