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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 standards
  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
  s1  Specifies the character string being searched.

  s2  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 character.

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)

Index for Section 3

Alphabetical listing for S

Top of page