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printf
Post 302136816 by blowtorch on Wednesday 19th of September 2007 09:31:04 PM
09-19-2007
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can you take input from another command and do printf?
such as
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Hi,
Could anyone explain me the logic behind the following program's output?
int main() {
printf("%d\n", printf("%d %d", 2, 2) & printf("%d %d", 2, 2));
printf("%d\n", printf("%d %d\n", 2, 2) & printf("%d %d\n", 2, 2));
}
Ans:
2 22 23
2 2
2 2
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LEARN ABOUT HPUX
u_stack_trace
U_STACK_TRACE(3X) U_STACK_TRACE(3X) NAME
U_STACK_TRACE(), _UNW_STACK_TRACE() - produce a trace back of the procedure call stack using the unwind library SYNOPSIS
DESCRIPTION
prints a formatted stack trace to standard error. produces a formatted stack trace on the output stream indicated by parameter out_file. The stream must be a writable stream for output to be produced. APPLICATION USAGE
and are thread-safe. They are not async-cancel-safe because they make use of which is not async-cancel-safe. A cancellation point may occur when a thread is executing RETURN VALUE
None ERRORS
can fail to give the entire stack back trace under the following conditions: o Low memory conditions. The unwind library is not able to allocate enough memory to perform the tasks of tracking back over the stack or of looking up symbols names associated with instruction pointer addresses encountered. o Executables and shared libraries that fail to conform to the Runtime Architecture for Itanium-based systems. For example, they may have invalid, incomplete, or missing unwind tables; or invalid or incorrect unwind information blocks. EXAMPLES
Given the following C program: Compiling and executing the program produces output similar to this: AUTHOR
was developed by HP. SEE ALSO
_UNW_createContextForSelf(3X), _UNW_currentContext(3X), _UNW_getGR(3X), unwind(5). Itanium(R)-based System Only U_STACK_TRACE(3X)