SetLastError      476 ext/net/net.c  	    SetLastError(r);
SetLastError      471 gc/win32_threads.c 	SetLastError(ERROR_NOT_ENOUGH_MEMORY);
SetLastError     1577 src/system.c       SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
SetLastError     1583 src/system.c       SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
SetLastError     1611 src/system.c       SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
SetLastError     1619 src/system.c       SetLastError(ERROR_CALL_NOT_IMPLEMENTED);