/* Portable <string.h>
- Copyright 1995 Free Software Foundation, Inc.
+ Copyright 1995, 1998 Free Software Foundation, Inc.
This file is part of GDB.
# else
# include <strings.h>
# endif
-extern char *strchr();
-extern char *strrchr();
-extern char *strstr();
-extern char *strtok();
-extern char *strerror();
+
+#ifndef strchr
+extern char *strchr PARAMS ((const char *, int)); /* X3.159-1989 4.11.5.2 */
+#endif
+
+#ifndef strrchr
+extern char *strrchr PARAMS ((const char *, int)); /* X3.159-1989 4.11.5.5 */
+#endif
+
+#ifndef strstr
+extern char *strstr PARAMS ((const char *, const char *)); /* X3.159-1989 4.11.5.7 */
+#endif
+
+#ifndef strtok
+extern char *strtok PARAMS ((char *, const char *)); /* X3.159-1989 4.11.5.8 */
+#endif
+
# ifdef HAVE_MEMORY_H
# include <memory.h>
# else
extern void *memmove();
extern int memcmp();
# endif
+#endif /* STDC_HEADERS */
+
+#ifdef NEED_DECLARATION_STRERROR
+#ifndef strerror
+extern char *strerror PARAMS ((int)); /* X3.159-1989 4.11.6.2 */
+#endif
#endif
-extern char *strdup();
+#ifdef NEED_DECLARATION_STRDUP
+extern char *strdup (); /* full prototype collides w/ some OSes (AIX 3.2.5) */
+#endif
#endif /* !defined(GDB_STRING_H) */