geterror(9F) manual page
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geterror - return I/O error
#include <sys/types.h>
#include <sys/buf.h>
#include <sys/ddi.h>
int geterror(struct buf *bp);
Architecture independent level
1 (DDI/DKI).
- bp
- Pointer to a buf(9S)
structure.
geterror()
returns the error number from the error field of the buffer header structure.
An error number indicating the error condition of the I/O
request is returned. If the I/O request completes successfully, 0 is returned.
geterror() can be called from user or interrupt context.
buf(9S)
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