looking for usleep() implementation for ULTRIX
Alexios Zavras
zvr at natasha.cs.wisc.EDU
Fri Oct 20 03:53:10 AEST 1989
In article <8896 at spool.cs.wisc.edu>, I wrote:
> #define macro(x) do { stmt1(x); stmt2(x); ... } while (0);
and later...
> #define usleep(usec)
> do \
> { \
> struct timeval usl_delay; \
> usl_delay.tv_sec = (int) (usec) / 1000000; \
> usl_delay.tv_usec = (int) (usec) % 1000000; \
> (void) select(0,(fd_set *)0,(fd_set *)0,(fd_set *)0,
&usl_delay);\
> } while (0);
Sorry, I must have been asleep! :-)
You naturally have to omit the final `;' in both cases, i.e.:
#define macro(x) do { stmt1(x); stmt2(x); ... } while (0)
Then you can easily write
if (...)
macro(...);
else
...
without any problems...
Sorry about that,
-- zvr --
+-----------------------+ Alexios Zavras
| Life is once, forever | zvr at cs.wisc.edu
+-----------------H C-B-+ zavras at cs.wisc.edu
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