Re: Problem With C?



raashid bhatt wrote:

Why does the following program runs and works correctly
=============================================
#include <stdio.h>
#include <string.h>

char a = 'a'; / * One byte*/

int main(int argc, char **argv) {
printf("%s", &a);
/* Prints a */

/* Undefined behaviour on a*/
strcpy (&a, "HELLOOOOOOOOOOOOOOOOOOOOOOOOOOOOO");

printf("%s", &a);
/* Should not print HELOOOO...... correctly */
/*i Think it must print H */

return 0;
}

I have copied a full string into a char and prints that string
correctly ?

Each of your printfs invokes undefined behaviour. So does the
strcpy line. That includes actually printing the value out, on
your machine, at this time.

--
[mail]: Chuck F (cbfalconer at maineline dot net)
[page]: <http://cbfalconer.home.att.net>
Try the download section.
.



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