Thread: Help! Inserting a character into file

Could you guys look at the following code?

Code:

#include <stdio.h>
#include <stdlib.h>

int main() {

	FILE *f;
	char c=0, temp[512]={0};
	int br=0;

	if ((f=fopen("fajl.htm", "r+"))==NULL) {;
		exit(1);
	}


	while ((c=fgetc(f))!=EOF) {
		
		if (c=='&') {
				fseek(f, 0, SEEK_CUR);
				printf("%d", fputc('q', f));

		}
	}
	
	fclose(f);
	
	return 0;

}

I'm trying to add 'q' after each ampersand (replacing the character that is already there). However, after running this program on a file that has "&AAAAA", I get the following output:

Code:

&qAAAAA

ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ

Any idea what's wrong?