03-29-2017
Quote:
Originally Posted by
Scrutinizer
That is correct, a dot in regex means "any character" .
--
Hi RudiC, IMO that was not a specification, but rather a remark. It says: which will be '000', therefore I used '...' instead..
position 137-139 will definitely be 000 and that needs to be replaced by 036.
thank you both for the explanations
actually I just thought about it RudiC is correct, (...) would mean any characters, can I replace the 3 dots with 000, since I am sure positions 137-139 will be zeros.
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LEARN ABOUT MOJAVE
ualarm
UALARM(3) BSD Library Functions Manual UALARM(3)
NAME
ualarm -- schedule signal after specified time
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <unistd.h>
useconds_t
ualarm(useconds_t useconds, useconds_t interval);
DESCRIPTION
This is a simplified interface to setitimer(2).
The ualarm() function waits a count of useconds before asserting the terminating signal SIGALRM. System activity or time used in processing
the call may cause a slight delay.
If the interval argument is non-zero, the SIGALRM signal will be sent to the process every interval microseconds after the timer expires
(e.g., after useconds number of microseconds have passed).
Due to a setitimer(2) restriction, the maximum number of useconds and interval is limited to 100,000,000,000,000 (in case this value fits in
the unsigned integer).
RETURN VALUES
When the signal has successfully been caught, ualarm() returns the amount of time left on the clock.
NOTES
A microsecond is 0.000001 seconds.
SEE ALSO
getitimer(2), setitimer(2), sigpause(2), sigvec(2), alarm(3), signal(3), sleep(3), usleep(3)
HISTORY
The ualarm() function appeared in 4.3BSD.
BSD
April 19, 1994 BSD