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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\" May be distributed under the GNU General Public License
.\" 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)
.TH STRSTR 3 "April 12, 1993" "GNU" "Linux Programmer's Manual"
.SH NAME
strstr \- locate a substring
.SH SYNOPSIS
.nf
.B #include <string.h>
.sp
.BI "void *strstr(const char *" haystack ", const char *" needle );
.fi
.SH DESCRIPTION
The \fBstrstr()\fP function finds the first occurrence of the substring
\fIneedle\fP in the string \fIhaystack\fP. The terminating `\\0'
characters are not compared.
.SH "RETURN VALUE"
The \fBstrstr()\fP function returns a pointer to the beginning of the
substring, or NULL if the substring is not found.
.SH SEE ALSO
.BR index "(3), " memchr "(3), " rindex "(3), " strchr (3),
.BR strpbrk "(3), " strsep "(3), " strspn "(3), " strtok (3)
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