vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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ungetc.c (213B)

      1 #include "ioprivate.h"
      2 
      3 int ungetc(int c, FILE *f)
      4 {
      5 	if (c == EOF)
      6 		return -1;
      7 	if (f->ipos == 0)
      8 		return -1;
      9 	if (f->isstring) {
     10 		--f->ipos;
     11 		return c & 0xFF;
     12 	}
     13 	f->ibuf[--f->ipos] = c;
     14 	return c & 0xFF;
     15 }