2.11BSD/man/cat3/strstr.0
STRSTR(3) UNIX Programmer's Manual STRSTR(3)
NAME
strstr - locate a substring in a string
SYNOPSIS
#include <string.h>
char *
strstr(big, little)
_c_h_a_r *_b_i_g, *_l_i_t_t_l_e;
DESCRIPTION
The strstr() function locates the first occurrence of the
null-terminated string _l_i_t_t_l_e in the null-terminated string
_b_i_g. If _l_i_t_t_l_e is the empty string, strstr() returns _b_i_g;
if _l_i_t_t_l_e occurs nowhere in _b_i_g, strstr() returns NULL; oth-
erwise strstr() returns a pointer to the first character of
the first occurrence of _l_i_t_t_l_e.
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strcspn(3),
strpbrk(3), strrchr(3), strsep(3), strspn(3), strtok(3)
STANDARDS
The strstr() function conforms to ANSI C X3/159-1989 (``ANSI
C'').
Printed 11/26/99 January 15, 1996 1