14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*8462SApril.Chin@Sun.COM * Copyright (c) 1985-2008 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 7*8462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin 244887Schin #include "stdhdr.h" 254887Schin 264887Schin wint_t 274887Schin ungetwc(wint_t c, Sfio_t* f) 284887Schin { 294887Schin register unsigned char* s = (unsigned char*)&c; 304887Schin register unsigned char* e = s + sizeof(c); 314887Schin 324887Schin STDIO_INT(f, "ungetwc", wint_t, (wint_t, Sfio_t*), (c, f)) 334887Schin 344887Schin FWIDE(f, WEOF); 354887Schin while (s < e) 364887Schin if (sfungetc(f, *s++) == EOF) 374887Schin return WEOF; 384887Schin return c; 394887Schin } 40