SCAN_ERROR_EOF   1202 ext/standard/scanf.c 		result = SCAN_ERROR_EOF;
SCAN_ERROR_EOF   1218 ext/standard/scanf.c 		Z_LVAL_PP(return_value) = SCAN_ERROR_EOF;  /* EOF marker */
SCAN_ERROR_EOF     34 ext/standard/scanf.h #define SCAN_ERROR_INVALID_FORMAT		(SCAN_ERROR_EOF - 1)