strlen
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | Defined in header  <string.h> | ||
| size_t strlen( const char *str ); | ||
Returns the length of the given byte string.
The null character is excluded from the length.
| Contents | 
[edit] Parameters
| str | - | pointer to the null-terminated byte string to be examined | 
[edit] Return value
The length of the null-terminated string str.
[edit] Example
Run this code
Output:
without null character: 45 with null character: 46
[edit] See also
| C++ documentation for strlen | 


