14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.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 #if defined(__STDPP__directive) && defined(__STDPP__hide) 254887Schin __STDPP__directive pragma pp:hide strstr 264887Schin #else 274887Schin #define strstr ______strstr 284887Schin #endif 294887Schin 304887Schin #include <ast.h> 314887Schin 324887Schin #if defined(__STDPP__directive) && defined(__STDPP__hide) 334887Schin __STDPP__directive pragma pp:nohide strstr 344887Schin #else 354887Schin #undef strstr 364887Schin #endif 374887Schin 384887Schin #if _lib_strstr 394887Schin 404887Schin NoN(strstr) 414887Schin 424887Schin #else 434887Schin 444887Schin #if defined(__EXPORT__) 454887Schin #define extern __EXPORT__ 464887Schin #endif 474887Schin 484887Schin extern char* 494887Schin strstr(register const char* s1, register const char* s2) 504887Schin { 514887Schin register int c1; 524887Schin register int c2; 534887Schin register const char* t1; 544887Schin register const char* t2; 554887Schin 564887Schin if (s2) 574887Schin { 584887Schin if (!*s2) 594887Schin return (char*)s1; 604887Schin c2 = *s2++; 614887Schin while (c1 = *s1++) 624887Schin if (c1 == c2) 634887Schin { 644887Schin t1 = s1; 654887Schin t2 = s2; 664887Schin do 674887Schin { 684887Schin if (!*t2) 694887Schin return (char*)s1 - 1; 704887Schin } while (*t1++ == *t2++); 714887Schin } 724887Schin } 734887Schin return 0; 744887Schin } 754887Schin 764887Schin #endif 77