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Re: [chat] you are in a maze of twisty little header files, all alike...


On Wed Jul 02, 2003 at 15:09:31 +1000, Jan Schmidt wrote:
><quote who="Jamie Wilkinson">
>
>> So I got a useful error message from curl just now:
>> 
>> curl: (7) socket error: 113
>
>*snip*
>
>> 113 means "host unreachable".  I think I might patch curl to add strerror
>> calls in the right places :-)
>> 
>
>As a time saver:
>
>jan@oven:/usr/include$ grep -r 113 . | grep errno
>./asm/errno.h:#define   EHOSTUNREACH    113     /* No route to host */
>
>strerror sounds like a good patch to me.


Or:

$ cat > perror.c
#include <stdio.h>
#include <errno.h>

int
main(int argc, char **argv) {
	if (argc > 1) {
		errno = atoi(argv[1]);
		perror("Error is");
	} else {
		printf("Usage: perror errno\n");
	}
	return 0;
}
^D
$ gcc perror.c
$ ./a.out 133
Error is: No route to host
$


Benno