Given the following variables: char buffer[128] = "Bach"; char *stri = "Laplacian" char *str2; Select all valid ways to copy a string. strcpy(str1, buffer); str1 = buffer; buffer - str 1; strcpy(buffer, str1); Given the following code char *words[] = { "Overflowing", "fixed", "length", "string", "buffers }; Write a statement in C to print the 4th character of the 2nd element of words using pointer notation