zpipe.c: the zlib example

[T o n g <mlist4suntong@yahoo.com>]

Hi,

I believe that zpipe.c used to be working.
But it is still working now?

I get it compiled OK, 

 gcc -g -lz -o zpipe zpipe.c 

but wasn't able to run it:

$ ./zpipe
bash: ./zpipe: Permission denied

I get the same result even I put an output immediately after main:

/* compress or decompress from stdin to stdout */
int main(int argc, char **argv)
{
  fputs("zpipe 1\n", stderr);

Anyone has any idea how to fix it? 

Thanks

PS. Enclosed is the strace log:

$ strace ./zpipe
execve("./zpipe", ["./zpipe"], [/* 130 vars */]) = -1 EACCES (Permission 
denied)
dup(2)                                  = 3
fcntl(3, F_GETFL)                       = 0x8002 (flags O_RDWR|
O_LARGEFILE)
fstat(3, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 
= 0x7f77cf048000
lseek(3, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
write(3, "strace: exec: Permission denied\n", 32strace: exec: Permission 
denied
) = 32
close(3)                                = 0
munmap(0x7f77cf048000, 4096)            = 0
exit_group(1)                           = ?

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