NAME

strstr − locate a substring in a string

SYNOPSIS

#include <string.h> char ∗
strstr(big, little)
char ∗big, ∗little;

DESCRIPTION

The strstr() function locates the first occurrence of the null-terminated string little in the null-terminated string big. If little is the empty string, strstr() returns big; if little occurs nowhere in big, strstr() returns NULL; otherwise strstr() returns a pointer to the first character of the first occurrence of little.

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”). 

4.4 Berkeley Distribution  —  January 15, 1996