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/*
File wc.c - a sample word count program
Written and submitted to public domain by Jay Elkes
April, 1992
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
int main (int argc, char *argv[])
{
FILE *infileptr;
char infile[80];
long int nl = 0;
long int nc = 0;
long int nw = 0;
int state = 0;
const int NEWLINE = '\n';
int c;
/* The program name itself is the first command line arguement so we
ignore it (argv[0]) when showing user entered parameters. */
switch (argc - 1)
{
case (0):
printf("no parameters\n");
return 12;
case (1):
break;
default:
printf("too many parameters\n");
return 12;
}
strcpy(infile,argv[1]);
infileptr = fopen(infile,"rb");
if (infileptr == NULL)
{
printf("Cannot open %s\n",infile);
return 12;
}
while ((c = getc(infileptr)) != EOF)
{
++nc;
if (c == NEWLINE)
++nl;
if (isspace(c))
state = 0;
else if (state == 0)
{
state = 1;
++nw;
}
}
/* Final Housekeeping */
printf("%ld Lines, %ld Words, %ld Characters", nl, nw, nc);
return 0;
}
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