'conio.h' file not found #include #include #include #include int main() { char username[15], password[15], ch; int i, ci printf("Username: "); printf(" Password: "); { ch = getch(); password[i] = ch; ch = '*'; printf("%c",ch); } c=strcmp(password, "12345"); if (c==0) puts(" VALID"); else puts(" INVALID"); return 0; } * Use of undeclared identifier 'getch' Use of undeclared identifier 'getch' 'conio.h' file not found #include #include #include #include int main() { char username[15], password[15], ch; int i, ci printf("Username: "); printf(" Password: "); { ch = getch(); password[i] = ch; ch = '*'; printf("%c",ch); } c=strcmp(password, "12345"); if (c==0) puts(" VALID"); else puts(" INVALID"); return 0; } * Use of undeclared identifier 'getch' Use of undeclared identifier 'getch