.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
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.\" manual provided the copyright notice and this permission notice are
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.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
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.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
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.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sat Jul 24 17:56:43 1993 by Rik Faith (faith@cs.unc.edu)
.\" Translated into german by Martin Schulze (joey@infodrom.north.de)
.\"
.TH STRSTR 3 "4. Mai 1996" GNU "Bibliotheksfunktionen"
.SH BEZEICHNUNG
strstr \- finde einen Teilstring
.SH BEZEICHNUNG
.nf
.B #include <string.h>
.sp
.BI "char *strstr(const char *" haystack ", const char *" needle );
.fi
.SH BESCHREIBUNG
Die Funktion
.B strstr()
findet die erste Position der Zeichenfolge
.I needle
im String
.IR haystack .
Abschließende `\\0'-Zeichen werden nicht miteinander verglichen.
.SH "RÜCKGABEWERTE"
Die Funktion
.B strstr()
gibt einen Zeiger auf den Anfang der gefundenen Zeichenkette in 
.I haystack
zurück oder NULL, wenn die Zeichenkette nicht gefunden wurde.
.SH "SIEHE AUCH"
.BR index (3),
.BR memchr (3),
.BR rindex (3),
.BR strchr (3),
.BR strpbrk (3),
.BR strsep (3),
.BR strspn (3),
.BR strtok (3).