Compilare: user.cpp: In function ‘int egale(ingredient, ingredient)’: user.cpp:32:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(a.nume);i++) ^ user.cpp: In function ‘int main()’: user.cpp:46:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(p);i++) ^ user.cpp:50:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(p);i++) ^ user.cpp:60:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(p);i++) ^ user.cpp: In function ‘int compare(ingredient, ingredient)’: user.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type] } ^