怎么解决呢？谢谢！
>> mex WFDB_isigopen.c
Writing library for WFDB_isigopen.mexw32
f:\systems\temp\mex_974fceb0-bf16-49d4-de95-00614e739592\wfdb_isigopen.obj
.text: undefined reference to '_isigopen'
D:\SUB\MATH\MATLAB\BIN\MEX.PL: Error: Link of 'WFDB_isigopen.mexw32'
failed
.
??? Error using ==> mex
Unable to complete successfully.
