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#include <stdio.h>
#include <unistd.h>
FILE *stdout = (void *)1;
FILE *stderr = (void *)2;
int putchar(int c)
{
return putc(c, stdout);
}
int putc(int c, FILE *stream)
{
return fputc(c, stream);
}
int fputc(int c, FILE *stream)
{
if (fwrite(&c, 1, 1, stream) < 1)
return EOF;
return c;
}
int puts(const char *str)
{
int res;
res = fputs(str, stdout);
if (res == EOF)
return res;
res = fputc('\n', stdout);
if (res == EOF)
return res;
return 0;
}
int fputs(const char *str, FILE *stream)
{
int res;
while (*str) {
res = fputc(*str++, stream);
if (res == EOF)
return res;
}
return 0;
}
size_t fwrite(const void *restrict ptr, size_t size, size_t n,
FILE *restrict stream)
{
int fd = (uintptr_t)stream;
const char *restrict buf = ptr;
for (size_t i = 0; i < n; i++)
if (write(fd, buf + i * size, size) < 1)
return i;
return n;
}
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