The Strstr ()() Function in C

This guide covers the strstr ()() function in c with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

Declaring the Function Strstr ()() in C

Here is the declaration for strstr () in C:

 char * strstr ( const char * haystack , const char * needle ) 

Parameters

Haystack - Chain to be scanned.

Needle - A small string to be searched inside the haystack chain.

Returns the Value

This function returns a pointer to the first occurrence in the haystack string of any sequence of characters defined in the needle, or function that returns a null pointer if this sequence is not present in haystack.

For Example

The following C program illustrates the usage of strstr () in C:

 #include #include int main () { const char haystack [ 20 ] = "QTMTeam" ; const char needle [ 10 ] = "Team" ; char * ret ; ret = strstr ( haystack , needle ); printf ( "Chuoi con la: %sn" , ret ); return ( 0 ); } 

Compiling and running the above C program will result:

According to Tutorialspoint

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