kolibrios-fun/programs/develop/metcc/trunk/libc/file/ungetc.c
Andrey Halyavin (halyavin) 51d395d0cc initial import of metcc project
git-svn-id: svn://kolibrios.org@145 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-09-07 14:14:53 +00:00

12 lines
226 B
C

#include "stdio.h"
int ungetc(int c,FILE* file)
{
if (c==EOF)
return EOF;
if (file->filepos<=0 || file->filepos>file->filesize)
return EOF;
file->filepos--;
file->buffer[file->filepos]=(char)c;
return c;
}