strlen() - ストリング長の判別

#include <string.h>

size_t strlen(const char *string);

⁄* CELEBS43                                      

   This example determines the length of the string that is                     
   passed to main.                                                              
                                                                                
 *⁄                                                                             
#include <stdio.h>                                                              
#include <string.h>                                                             
                                                                                
int main(int argc, char **argv)                                                 
{                                                                               
                                                                                
  if ( argc != 2 )                                                              
    printf( "Usage: %s string¥n", argv[0] );
  else                                                                          
    printf( "Input string has a length of %i¥n", strlen( argv[1] ));
}                                                                               

Input string has a length of 24