Polymorphic Hello World

hello.c

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

int main(void)
{
    int i;

    for(i=0; i<10; i++) {
        char buffer[0];
// copy counter to buffer
        sprintf(buffer, "%d", i);
        char fname[20] = "hello";

// crate filename hello, appending counter and .com to the file name
        strcat(fname,buffer);
        strcat(fname,".com");

// create file
        FILE *myfile = fopen(fname, "wb");

//write to file
        putc(0x0E, myfile);
        putc(0x1f, myfile);
        putc(0xba, myfile);
        putc(0x0E, myfile);
        putc(0x01, myfile);
        putc(0xb4, myfile);
        putc(0x09, myfile);
        putc(0xcd, myfile);
        putc(0x21, myfile);
        putc(0xb8, myfile);
        putc(0x01, myfile);
        putc(0x4c, myfile);
        putc(0xcd, myfile);
        putc(0x21, myfile);
        putc(0x48, myfile);  //H
        putc(0x65, myfile);  //e
        putc(0x6c, myfile);  //l
        putc(0x6c, myfile);  //l
        putc(0x6f, myfile);  //o
        putc(0x20, myfile);  //space
        putc(0x57, myfile);  //W
        putc(0x6f, myfile);  //o
        putc(0x72, myfile);  //r
        putc(0x6c, myfile);  //l
        putc(0x64, myfile);  //d
        putc(0x21, myfile);  //!
        putc(0x24, myfile);

// close file
        fclose(myfile);

// run newly created com files and produce output
        printf("\n\nCreated file: %s \n", fname);
        printf("  Executing: %s \n", fname);
        printf("  Output: ");
        system(fname);
    }
    printf("\n\n");
    system("pause");
    return 0;
}