#include <stdio.h>
#include <string.h>
#include <stdlib.h>
 

char buffer[20];

int copy_buffer(char *input_buffer) {
    strcpy(buffer, argv[1]);
    
    printf("DEBUG: strcpy() executed...\n");
}
    

int main(int argc, char *argv[]) {
 
      
 
       
   if (argc < 2) {
      printf("Syntax error\n");
      printf("Syntax: %s <characters>\n", argv[0]);
      exit(0);
   }
       
    copy_buffer(argv[1]);
    
    printf("buffer content= %s\n", buffer);
    return 0;
}