C stdio rewind() Function
Example
Use the rewind() function to read the beginning of the file twice:
FILE *fptr;
fptr = fopen("filename.txt", "r");
char
myString[100];
fgets(myString, 100, fptr);
printf("%s", myString);
rewind(fptr);
fgets(myString, 100, fptr);
printf("%s",
myString);
fclose(fptr);
Definition and Usage
The rewind() function moves the position indicator to the beginning of the
file.
The rewind() function is defined in the <stdio.h> header file.
Syntax
rewind(FILE * fptr);Parameter Values
| Parameter | Description |
|---|---|
| fptr |
Required. A file pointer, usually created by the fopen() function.
|