Prog#214 B: display record number

/*
display record number
Program#214 B
*/
#include<stdio.h>
main(int argc,char *argv[])
{
int n;
int acno, c;
FILE *fp;
if(argc!=2)
{
printf("error. no.of arg");
return 0;
}
fp=fopen (argv[1], "r");
if(fp==NULL)
{
printf("file open error");
return 0;
}
scanf("%d", & n);
c=0;
while(feof(fp)==0)
{
c++;
fscanf(fp, "%d", acno);
if(acno==n)
{
printf("%d", acno);
printf("%d", & c);
}
}
fclose(fp);
}