STRSTR(3) Library Functions Manual STRSTR(3)
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 STRSTR(3)