The Strcspn ()() Function in C

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

Declare the Strcspn ()() Function in C

Here is the declaration for strcspn () in C:

 size_t strcspn ( const char * str1 , const char * str2 ) 

Parameters

Str1 - This is a string of characters to be scanned.

Str2 - String contains a list of characters to match in str1.

Returns the Value

This function returns the number of characters in a string segment of the original string str1 that is not in the str2 string.

For Example

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

 #include #include int main () { int len ; const char str1 [] = "ABCDEF4960910" ; const char str2 [] = "013" ; len = strcspn ( str1 , str2 ); printf ( "Ky tu ket noi dau tien tai vi tri %dn" , len + 1 ); return ( 0 ); } 

Compiling and running the above C program will result:

According to Tutorialspoint

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