ndelay_on(3diet)
NAME
ndelay_on - put file descriptor in non-blocking mode
SYNTAX
#include <ndelay.h>
extern int ndelay_on(int fd);
DESCRIPTION
ndelay_on puts a file descriptor in non-blocking mode. Reading from
and writing to non-blocking network sockets, FIFOs or device files will
return immediately, even if not as many bytes have been processed as
were specified.
If an error occurred, ndelay_on will return nonzero and set errno
accordingly.