if (strlen(str1) >= sizeof(str)) return 1;
Strcmp(char *str1, char *str2)#elseStrcmp(str1, str2)    char *str1, *str2;#endif{    char str[256];    char c, *s;    for (s = str; c = *str1++; ) {	if (isupper(c))	    c = tolower(c);	*s++ = c;    }    *s = '\0';    return (strcmp(str, str2));}