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#include "stdlib.h"
#include "stdio.h"
#include "locale.h"
#include "nonstd/io.h"
#ifdef _POSIX_SOURCE
#define DEFAULT_LOCALE "POSIX"
#include "unistd.h"
#else
#define DEFAULT_LOCALE "C"
#include "nonstd/syscall.h"
#define isatty(fd) __syscall(__lookup("tty"), fd)
#endif
void __libc_start(int argc, char **argv)
{
extern int main(int, char*[]);
struct __FILE *files = __libc(FILE_STREAMS);
stdin = files + 0;
stdin->fd = 0;
freopen(NULL, "r", stdin);
setvbuf(stdin, NULL, isatty(0) ? _IOLBF : _IOFBF, BUFSIZ);
stdout = files + 1;
stdout->fd = 1;
freopen(NULL, "w", stdout);
setvbuf(stdin, NULL, isatty(1) ? _IOLBF : _IOFBF, BUFSIZ);
stderr = files + 2;
stderr->fd = 2;
freopen(NULL, "w", stderr);
setvbuf(stderr, NULL, _IONBF, 0);
stdin->next = stdout;
stdout->next = stderr;
stdout->prev = stdin;
stderr->prev = stdout;
setlocale(LC_ALL, DEFAULT_LOCALE);
exit(main(argc, argv));
}
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