Eroare de compilare: main.cpp: In function 'void test_functions()': main.cpp:23:20: error: 'stricmp' was not declared in this scope n=stricmp(s1,s2); ^ main.cpp:25:23: error: 'strnicmp' was not declared in this scope n=strnicmp(s1,s2,3); ^ main.cpp:28:11: warning: statement has no effect [-Wunused-value] strchr(s1,c); ~~~~~~^~~~~~ main.cpp:29:12: warning: statement has no effect [-Wunused-value] strrchr(s1,c); ~~~~~~~^~~~~~ main.cpp:30:14: error: 'strlwr' was not declared in this scope strlwr(s1); ^ main.cpp:31:14: error: 'strrev' was not declared in this scope strrev(s1); ^ main.cpp:32:11: warning: statement has no effect [-Wunused-value] strstr(s1,s2); ~~~~~~^~~~~~~ main.cpp:40:17: error: 'itoa' was not declared in this scope itoa(n,s1,10); ^ Non zero exit status: 1