#ifdef RUBY_18 #2

gistfile1.h

#ifdef RUBY_18
#  define STR(x) (RSTRING(x)->ptr)
#  define LEN(x) (RSTRING(x)->len)
#  define STR_AUX_CAPA(x) (RSTRING(buf)->aux.capa)
#  define SET_STR_LEN(x, i) (RSTRING(x)->len = i)

#  define FLOAT(f) (RFLOAT(f)->value)

#  define ARRAY(a) (RARRAY(a)->ptr)
#  define ARRAY_LEN(a) (RARRAY(a)->len)
#else
#  define STR(x) (RSTRING_PTR(x))
#  define LEN(x) (RSTRING_LEN(x))
#  define STR_AUX_CAPA(x) (RSTRING(buf)->as.heap.aux.capa)
#  define SET_STR_LEN(x, i) (rb_str_set_len(x, i))

#  define FLOAT(f) (RFLOAT_VALUE(f))

#  define ARRAY(a) (RARRAY_PTR(a))
#  define ARRAY_LEN(a) (RARRAY_LEN(a))
#endif