The leading section of XS files is expected to be arbitrary C code. The CODE and PPCODE sections of XS files can be any valid C statement sequence. As such, you would do it exactly as you would in C. 

dev.xfer_buf_num    // If dev is a struct rtlsdr_dev

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or 
dev->xfer_buf_num    // If dev is a struct rtlsdr_dev*

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Seeking work! You can reach me at ikegami@adaelis.com

In reply to Re^5: Automatically Import XS struct by ikegami
in thread Automatically Import XS struct by Bpl

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