Prog#196 A: display the file page by page

/*
display the file page by page
Program#196 A
*/
#include<stdio.h>
main(int argc,char *argv[])
{
int i,c;
char a[200];
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;
}
c=i;
for(i=0;(a[i]=getc(fp))!=EOF;i++)
{
if(a[i]=='\n')
{
c++;
if(c==24)
{
a[i]='\0';
puts(a);
getchar();
i=-1;
}
}
fclose(fp);
}
}