termkey_get_buffer_remaining − returns the free buffer space
#include <termkey.h>
size_t termkey_get_buffer_remaining(TermKey *tk);
Link with -ltermkey.
termkey_get_buffer_remaining() returns the number of bytes of buffer space currently free in the termkey(7) instance. These bytes are free to use by termkey_push_bytes(3), or may be filled by termkey_advisereadable(3).
termkey_get_buffer_remaining() returns a size in bytes.
termkey_push_bytes(3), termkey_advisereadable(3), termkey_set_buffer_size(3), termkey_get_buffer_size(3), termkey_getkey(3), termkey(7)