CodesJava

Easy learning with example program codes

C fseek()


C fseek() function:

To write data into a file at a desired location, fseek() function is used in C. This function sets the file pointer in C to a specified offset.

C fseek() function Constants:

Constants used in the fseek() function are:

  • SEEK_SET
  • SEEK_CUR
  • SEEK_END

Syntax:

fseek(FILE *stream, long int offset, int whence)

Example:

#include <stdio.h>  
void main(){  
FILE *f;  
 
f = fopen("file.txt","w+");  
fputs("Hello C..", f);  
 
fseek( f, 6, SEEK_SET );  
fputs("World", f);  
fclose(f);  
 
char arr[100];  
f = fopen("file.txt","r");  
printf("%s",fgets(arr,65,f));  
fclose(f);  
}

Output

Hello World
Posted in C   
Sign Up/ Sign In
Ask a Question


Industrial Training

We offers Placement Oriented Training on Java, Spring, JSF, Hibernate, PHP, AngularJS, Angular 4, PLSQL, Oracle BI Publisher etc. We also provides Online training, please mail us at hr@codesjava.com.

Development

We also provides the Development services for Website Development , Java Development, PHP Development, Android App Development etc. You can contact us on hr@codesjava.com.

Copyright © 2018 CodesJava DMCA.com Protection Status SiteMap Reference: Java Wiki