Man page - egd_close(3)
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Manual
EGD_CLOSE
NAMESYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
NAME
egd_close - close a device
SYNOPSIS
#include <eegdev.h>
int egd_close(struct eegdev* dev );
DESCRIPTION
egd_close () frees all resources associated to the device referenced by dev and closes it. It stops also implicitely any running acquisition.
After a successful call to egd_close (), the reference dev cannot be used any longer.
RETURN VALUE
The function returns 0 in case of succes. Otherwise, -1 is returned and errno is set accordingly.
ERRORS
egd_close () will fail if:
|
EINVAL |
dev is NULL. |