preload_buf      4160 gc/os_dep.c        		char preload_buf[PRELOAD_SZ];
preload_buf      4188 gc/os_dep.c    		  strcpy (preload_buf, old_preload);
preload_buf      4193 gc/os_dep.c    		    && 0 != setenv ("LD_PRELOAD", preload_buf, 0)) {