[求助][求助]UDF的源项编译时出现这样错误?

shengzhong

我在编译时出现这种错误是怎么回事啊?我的程序里用了产生随机数的命令:random!
请问这是怎么回事啊?多谢!
(system "copy C:\Fluent.Inc\fluent6.2.16\src\makefile_nt.udf libudf\ntx86\2d\makefile")已复制         1 个文件。
0
(chdir "libudf")()
(chdir "ntx86\2d")()
suijishu.c
# Generating udf_names.c because of makefile suijishu.obj
udf_names.c
# Linking libudf.dll because of makefile user_nt.udf udf_names.obj suijishu.obj
Microsoft (R) Incremental Linker Version 6.00.8168
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.
   Creating library libudf.lib and object libudf.exp
suijishu.obj : error LNK2001: unresolved external symbol _random
suijishu.obj : error LNK2001: unresolved external symbol _random
suijishu.obj : error LNK2001: unresolved external symbol _random
suijishu.obj : error LNK2001: unresolved external symbol _random
libudf.dll : fatal error LNK1120: 1 unresolved externals
Done.