putchar.c

来自「linux内核」· C语言 代码 · 共 17 行

/*
 * putchar.c
 *
 * gcc "printf decompilation" expects this to exist...
 */

#include <stdio.h>

#undef putchar

int putchar(int c)
{
  unsigned char ch = c;

  return _fwrite(&ch, 1, stdout) == 1 ? ch : EOF;
}