SCM_CLASS_STRING_POINTER 3046 src/class.c        CINIT(SCM_CLASS_STRING_POINTER,   "<string-pointer>");
SCM_CLASS_STRING_POINTER 1201 src/gauche.h   #define SCM_STRING_POINTERP(obj)  SCM_XTYPEP(obj, SCM_CLASS_STRING_POINTER)
SCM_CLASS_STRING_POINTER 1256 src/string.c       SCM_SET_CLASS(sp, SCM_CLASS_STRING_POINTER);
SCM_CLASS_STRING_POINTER 1357 src/string.c       SCM_SET_CLASS(sp2, SCM_CLASS_STRING_POINTER);