| ![[Previous]](../prev.gif) | ![[Contents]](../contents.gif) | ![[Index]](../keyword_index.gif) | ![[Next]](../next.gif) | 
Inject a character at the front of the output buffer
#include <sys/io-char.h>
void tx_inject(TTYDEV *dev,
               unsigned char c);
This function injects a character at the front of the output buffer.
QNX Neutrino
| Safety: | |
|---|---|
| Cancellation point | No | 
| Interrupt handler | No | 
| Signal handler | No | 
| Thread | No | 
| ![[Previous]](../prev.gif) | ![[Contents]](../contents.gif) | ![[Index]](../keyword_index.gif) | ![[Next]](../next.gif) |