1 #include <string.h> 2 3 int 4 main(void) 5 { 6 char buf[3] = "a"; 7 return ! (strlcat(buf, "b", sizeof(buf)) == 2 && 8 buf[0] == 'a' && buf[1] == 'b' && buf[2] == '\0'); 9 } 10