Search for a character array within another.

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32

#include <string.h>

char *strstr(const char *s1, const char *s2);

Parameters for this facility are:

s1	const char *	The string to search
s2	const char *	The string to search for

The strstr() function searches the character array pointed to by s1 for the first occurrence of the character array pointed to by s2.

Both s1 and s2 must point to null terminated ('\0') character arrays.

strstr() returns a pointer to the first occurrence of s2 in s1 and returns a null pointer (NULL) if s2 cannot be found.

"memchr"

"strchr"

#include <string.h>
#include <stdio.h>

int main(void)
{
	static char s1[] = "tomato carrot onion";
	static char s2[] = "on";
	puts(strstr(s1, s2));

	return 0;
}
Output:
onion





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Last updated: August 16, 2000