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Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
fseek(), ftell() and rewind() in Files of Programming in C
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fseek(), ftell() and rewind() 
fseek() - It is used to moves the reading control to different positions using fseek function.
ftell() - It tells the byte location of current position in file pointer.
rewind() - It moves the control to beginning of a file.
Program
	#include
	void main(){
	   FILE *fp;
	   int i;
	   clrscr();
	   fp = fopen("CHAR.txt","r");
	   for (i=1;i<=10;i++){
	       printf("%c : %d\n",getc(fp),ftell(fp));
	       fseek(fp,ftell(fp),0);
	       if (i == 5)
	       rewind(fp);
	   }
	   fclose(fp);
	}
Output 
W : 0
e : 1
l : 2
c : 3
o : 4
W : 0
e : 1
l : 2
c : 3
o : 4
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