C Program for Count chars, spaces, tabs and newlines in a file

/* Count chars, spaces, tabs and newlines in a file */
# include "stdio.h"
main( )
{
FILE  *fp ;
char  ch ;
int  nol = 0, not = 0, nob = 0, noc = 0 ;
fp = fopen ( "PR1.C", "r" ) ;
while ( 1 )
{
ch = fgetc ( fp ) ;
if ( ch == EOF )
break ;
noc++ ;
if ( ch == '  ' )
nob++ ;
if ( ch == '\n' )
nol++ ;
if ( ch == '\t' )
not++ ;
}
fclose ( fp ) ;
printf ( "\nNumber of characters = %d", noc ) ;
printf ( "\nNumber of blanks = %d", nob ) ;
printf ( "\nNumber of tabs = %d", not ) ;
printf ( "\nNumber of lines = %d", nol ) ;
}