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STRSTR(3)		   Linux Programmer's Manual		     STRSTR(3)

NAME
       strstr -	locate a substring

SYNOPSIS
       #include	<string.h>

       char *strstr(const char *haystack, const	char *needle);

DESCRIPTION
       The  strstr() function finds the	first occurrence of the	substring nee-
       dle in the string haystack.  The	terminating `\0'  characters  are  not
       compared.

RETURN VALUE
       The  strstr()  function	returns	a pointer to the beginning of the sub-
       string, or NULL if the substring	is not found.

BUGS
       Early versions of Linux libc (like 4.5.26) would	not allow an empty ar-
       gument.	Later  versions	 (like	4.6.27)	 work  correctly,  and	return
       haystack	when needle is empty.

CONFORMING TO
       ISO 9899

SEE ALSO
       index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3),  str-
       spn(3), strtok(3)

GNU				  1993-04-12			     STRSTR(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | BUGS | CONFORMING TO | SEE ALSO

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