vrb_data_len(3) - Linux man page
Name
vrb_data_len - return the length of dataLibrary
-lvrbSynopsis
#include <vrb.h>size_t vrb_data_len(vrb_p vrb);
Description
vrb_data_len returns the total length of data presently in the given virtual ring buffer.Arguments
specifies the virtual ring buffer to obtain the data length of. If a NULL or invalid pointer is given, results are unpredictable and are likely to be disasterous.
Return Value
size_tThe total data length of the virtual ring buffer is returned.