05-05-2008
Clarify me.
Dear all,
I know the use of fprintf and typecasting. But, in the following function call what is the use? why that is type casted to void?
(void) fprintf(stderr, "Enter key: ");
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LEARN ABOUT CENTOS
papi_query_named_event
PAPI_query_named_event(3) PAPI PAPI_query_named_event(3)
NAME
PAPI_query_named_event -
Query if a named PAPI event exists.
SYNOPSIS
Detailed Description
C Interface:
#include <papi.h>
int PAPI_query_named_event(char *EventName);
PAPI_query_named_event() asks the PAPI library if the PAPI named event can be counted on this architecture. If the event CAN be counted,
the function returns PAPI_OK. If the event CANNOT be counted, the function returns an error code. This function also can be used to check
the syntax of native and user events.
Parameters:
EventName -- a defined event such as PAPI_TOT_INS.
Return values:
PAPI_EINVAL One or more of the arguments is invalid.
PAPI_ENOEVNT The PAPI preset is not available on the underlying hardware.
Examples
* int retval;
* // Initialize the library
* retval = PAPI_library_init(PAPI_VER_CURRENT);
* if (retval != PAPI_VER_CURRENT) {
* fprintf(stderr,
* exit(1);
* }
* if (PAPI_query_named_event("PAPI_TOT_INS") != PAPI_OK) {
* fprintf(stderr,
* exit(1);
* }
*
See Also:
PAPI_query_event
Author
Generated automatically by Doxygen for PAPI from the source code.
Version 5.2.0.0 Tue Jun 17 2014 PAPI_query_named_event(3)