#include "stdio.h"
main(){
FILE *fp;
fp = fopen("a.txt","r");
char str[100];
fgets(str,100,fp);
fseek(fp,3,SEEK_SET);
int len=ftell(fp);
printf("%d",len);
fclose(fp);
}
#include "stdio.h"
main(){
FILE *fp;
fp = fopen("a.txt","r");
char str[100];
fgets(str,100,fp);
fseek(fp,3,SEEK_SET);
int len=ftell(fp);
printf("%d",len);
fclose(fp);
}