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AIX Version 4.3 Base Operating System and Extensions Technical Reference, Volume 2

trcstart Subroutine


Starts a trace session.


Runtime Services Library (librts.a)


int trcstart(Argument)
char *Argument;


The trcstart subroutine starts a trace session. The Argument parameter points to a character string containing the flags invoked with the trace daemon. To specify that a generic trace session is to be started, include the -g flag.


Argument Character pointer to a string holding valid arguments from the trace daemon.

Return Values

If the trace daemon is started successfully, the channel number is returned. Channel number 0 is returned if a generic trace was not requested. If the trace daemon is not started successfully, a value of -1 is returned.

Implementation Specifics

This subroutine is part of Base Operating System (BOS) Runtime.


/dev/trace Trace special file.

Related Information

The trcon subroutine.

The trace daemon.

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