strstr man page on DigitalUNIX

strstr man page on DigitalUNIX

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strstr(3)							     strstr(3)

NAME
       strstr - Find a substring

SYNOPSIS
       #include <string.h>

       char *strstr(
	       const char *s1,
	       const char *s2 );

LIBRARY
       Standard C Library (libc)

STANDARDS
       Interfaces  documented on this reference page conform to industry stan‐
       dards as follows:

       strstr():  ISO C, XPG4, XPG4-UNIX

       Refer to the standards(5) reference page	 for  more  information	 about
       industry standards and associated tags.

PARAMETERS
       Specifies the character string being searched.  Specifies the substring
       to be located.

DESCRIPTION
       The strstr() function  locates  the  first  occurrence  in  the	string
       pointed	to  by the s1 parameter of the sequence of bytes in the string
       pointed to by the s2 parameter, excluding the terminating null  charac‐
       ter.

RETURN VALUES
       On  successful  completion,  the strstr() function returns a pointer to
       the located string or a null pointer if the string is not found.	  When
       the  s2	parameter  points  to  a  string  having  0 (zero) length, the
       strstr() function returns the string pointed to by parameter s1.

SEE ALSO
       Functions: string(3), wcsstr(3), wcswcs(3)

       Standards: standards(5)

								     strstr(3)

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