The Strlen ()() Function in C

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

Declare the Strlen ()() Function in C

Here is the declaration for strlen () in C:

 size_t strlen ( const char * str ) 

Parameters

Str - Is a string to find the length.

Returns the Value

This function returns the length of the string.

For Example

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

 #include #include int main () { char str [ 50 ]; int len ; strcpy ( str , "Hoc C co ban va nang cao tai QTM !!!" ); len = strlen ( str ); printf ( "Do dai cua chuoi:n |%s| nla bang:n |%d|n" , str , len ); return ( 0 ); } 

Compile and run the above C program to see the results:

According to Tutorialspoint

Previous article: strerror () function in C

Next lesson: strpbrk () function in C