FIONWRITE
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Get the number of bytes outstanding in the send queue.
Synopsis:
#include <sys/sockio.h>
#define FIONWRITE _IOR('f', 121, int)
Arguments to ioctl():
Argument | Value |
---|---|
fd | A file descriptor that you obtained by opening the device |
request | FIONWRITE |
Additional argument | A pointer to an int |
Description:
This command gets the number of bytes outstanding in the send queue.
Input:
None.
Output:
The number of bytes.
See also:
ioctl() in the QNX OS C Library Reference
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