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File content seek

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

int main(int argc, char *argv[])
{
  FILE *fp;

  if(argc!=3) {
    printf("Usage: SEEK filename byte\n");
    exit(1);
  }

  if((fp = fopen(argv[1], "rb"))==NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }

  if(fseek(fp, atol(argv[2]), SEEK_SET)) {
    printf("Seek error.\n");
    exit(1);
  }

  printf("Byte at %ld is %c.\n", atol(argv[2]), getc(fp));
  fclose(fp);

  return 0;
}


           
       

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