Eroare de compilare: user.cpp: In function ‘int cautare(char*)’: user.cpp:17: error: ‘strcmp’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:29: error: ‘strcat’ was not declared in this scope user.cpp:30: error: ‘strcpy’ was not declared in this scope user.cpp:31: error: ‘strtok’ was not declared in this scope user.cpp:34: error: ‘atoi’ was not declared in this scope user.cpp:38: error: ‘memset’ was not declared in this scope user.cpp:39: error: ‘strspn’ was not declared in this scope user.cpp:42: error: ‘strcspn’ was not declared in this scope user.cpp:43: error: ‘strncpy’ was not declared in this scope user.cpp:49: error: ‘atoi’ was not declared in this scope user.cpp:55: error: ‘atoi’ was not declared in this scope user.cpp:67: error: ‘strcmp’ was not declared in this scope