C stdio ftell() Function
Example
Show the current position in a file:
FILE *fptr;
fptr = fopen("filename.txt", "a");
int position =
ftell(fptr);
printf("%d", position);
fclose(fptr);
Definition and Usage
The ftell() function returns the value of position indicator. This is the
position in the file where the next read or write operation will be done.
The ftell() function is defined in the <stdio.h> header file.
Syntax
ftell(FILE * fptr);Parameter Values
| Parameter | Description |
|---|---|
| fptr |
Required. A file pointer, usually created by the fopen() function.
|
Technical Details
| Returns: | An int value representing the current value of the
position indicator. |
|---|