NAME
vrb_data_len - return the length of data
LIBRARY
-lvrb
SYNOPSIS
#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
vrb_p vrb
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_t
The total data length of the virtual ring buffer is returned.
SEE ALSO
vrb(3), vrb_capacity(3), vrb_data_ptr(3), vrb_destroy(3), vrb_get(3),
vrb_get_min(3), vrb_give(3), vrb_init(3), vrb_init_opt(3),
vrb_is_empty(3), vrb_is_full(3), vrb_is_not_empty(3),
vrb_is_not_full(3), vrb_move(3), vrb_new(3), vrb_new_opt(3),
vrb_put(3), vrb_put_all(3), vrb_read(3), vrb_read_min(3),
vrb_resize(3), vrb_space_len(3), vrb_space_ptr(3), vrb_take(3),
vrb_uninit(3), vrb_write(3), vrb_write_min(3)