Function String_Format3

src/String.c:430–432

	String_Format4(str, format, a1, a2, NULL, NULL);
}
void String_Format3(cc_string* str, const char* format, const void* a1, const void* a2, const void* a3) {
	String_Format4(str, format, a1, a2, a3, NULL);
}
void String_Format4(cc_string* str, const char* format, const void* a1, const void* a2, const void* a3, const void* a4) {
	const void* arg;
	int i, j = 0, digits;