key_full          708 src/port.c     static ScmObj key_full   = SCM_UNBOUND;
key_full          715 src/port.c         if (SCM_EQ(flag, key_full)) return SCM_PORT_BUFFER_FULL;
key_full          739 src/port.c             case SCM_PORT_BUFFER_FULL: return key_full;
key_full         1382 src/port.c         key_full   = Scm_MakeKeyword(SCM_STRING(SCM_MAKE_STR("full")));