ref: 090b7a5e6744afa35aa1a8ca66071748c228a776
dir: /libnpe/isatty.c/
#include <unistd.h>
#include "_npe.h"
int
isatty(int fd)
{
char buf[64];
return fd2path(fd, buf, sizeof(buf)) == 0 && strcmp(buf, "/dev/cons") == 0 && access("/env/TERM", AEXIST) == 0;
}