siz_DSTR         1179 src/gauche.h           int siz_DSTR = SCM_CHAR_NBYTES(ch_DSTR);        \
siz_DSTR         1180 src/gauche.h           if (d_DSTR->current + siz_DSTR > d_DSTR->end)   \
siz_DSTR         1181 src/gauche.h               Scm__DStringRealloc(d_DSTR, siz_DSTR);      \
siz_DSTR         1183 src/gauche.h           d_DSTR->current += siz_DSTR;                    \