HP C/iX Library Reference Manual (30026-90004)

350 Chapter5
HP C/iX Library Function Descriptions
strstr
strstr
Locates the first occurrence in one string of the sequence of characters specified by another
string.
Syntax
#include <string.h>
char *strstr(const char * s1 , const char * s2 );
Parameters
s1 A pointer to the character string to search.
s2 A pointer to the character string with the search value.
Return Values
x A pointer to the string found in s1 .If s2 is null, the value of s1 is returned.
NULL The
s2 was not found in s1 .
Description
The strstr function scans s1 searching for the first occurrence of the sequence of
characters in
s2 (excluding the null character). If s2 is found in s1 , a pointer to the start of
that string in
s1 is returned.
See Also
strchr(), strrchr(), ANSI C 4.11.5.7, POSIX.1 8.1