03-29-2011
Printing pointer address
How can I print the memory address of a pointer using printf (or any other STDOUT functions?). I see in Linux its %p but not in unix, help?
thanks
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Hello everyone,
I have this code which prints the address of the object of a class....bt. what if I want to print the address of the class?
#include <iostream.h>
class har{
};
int main()
{
har a;
cout<<(&a);
}
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LEARN ABOUT DEBIAN
asprintf
ASPRINTF(3) Linux Programmer's Manual ASPRINTF(3)
NAME
asprintf, vasprintf - print to allocated string
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <stdio.h>
int asprintf(char **strp, const char *fmt, ...);
int vasprintf(char **strp, const char *fmt, va_list ap);
DESCRIPTION
The functions asprintf() and vasprintf() are analogs of sprintf(3) and vsprintf(3), except that they allocate a string large enough to hold
the output including the terminating null byte, and return a pointer to it via the first argument. This pointer should be passed to
free(3) to release the allocated storage when it is no longer needed.
RETURN VALUE
When successful, these functions return the number of bytes printed, just like sprintf(3). If memory allocation wasn't possible, or some
other error occurs, these functions will return -1, and the contents of strp is undefined.
CONFORMING TO
These functions are GNU extensions, not in C or POSIX. They are also available under *BSD. The FreeBSD implementation sets strp to NULL
on error.
SEE ALSO
free(3), malloc(3), printf(3)
COLOPHON
This page is part of release 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU
2001-12-18 ASPRINTF(3)