Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:22: error: ‘atoi’ was not declared in this scope user.cpp:23: error: ‘strcpy’ was not declared in this scope user.cpp:27: error: ‘strcpy’ was not declared in this scope user.cpp:31: error: ‘strcpy’ was not declared in this scope user.cpp:35: error: ‘strcpy’ was not declared in this scope user.cpp:42: error: ‘strtok’ was not declared in this scope user.cpp:45: error: ‘strlen’ was not declared in this scope user.cpp:48: error: ‘atoi’ was not declared in this scope user.cpp:51: error: ‘strcmp’ was not declared in this scope user.cpp:59: error: ‘strcpy’ was not declared in this scope user.cpp:64: error: ‘strcpy’ was not declared in this scope user.cpp:74: error: ‘stricmp’ was not declared in this scope user.cpp:76: error: ‘strcpy’ was not declared in this scope