SCM_FOREIGN_POINTER_P 5680 src/extlib.c if (!SCM_FOREIGN_POINTER_P(fp_scm)) Scm_Error("foreign pointer required, but got %S", fp_scm); SCM_FOREIGN_POINTER_P 5707 src/extlib.c if (!SCM_FOREIGN_POINTER_P(fp_scm)) Scm_Error("foreign pointer required, but got %S", fp_scm); SCM_FOREIGN_POINTER_P 5739 src/extlib.c if (!SCM_FOREIGN_POINTER_P(fp_scm)) Scm_Error("foreign pointer required, but got %S", fp_scm);