Added LOG. Added true implementation. Added skeleton for wc.

LOG

@@ -0,0 +1 @@
+2021/11/23 - Added true and false, as well as a skeleton for wc. Created LOG.

TODO

@@ -79,13 +79,12 @@ Write the following utilities:
  touch
  tput
  tr
- true
  tsort
  uname
  uncompress(?)
  unexpand
  uniq
- wc
+ wc [in progress]
  who
  write(?)
  xargs

doc/wc.1

@@ -0,0 +1,34 @@
+.TH wc 1 2021-11-21 mp-utils Userland
+
+.SH NAME
+wc \- print to stdout forever
+.PP
+.SH SYNOPSIS
+.PP
+Print the provided string to stdout forever.
+.SH DESCRIPTION
+.PP
+Yes is a standard Unix tool that accepts input from the user and prints it to stdout repeatedly, or y when no input is provided.
+.SH OPTIONS
+.PP
+This implementation of wc accepts no arguments.
+.SH ENVIRONMENT
+This implementation of wc requires a C89 compiler.
+.SH FILES
+/usr/src/mp-utils/src/wc.c
+.SH CONFORMING TO
+.PP
+.SM
+POSIX
+2017,
+.SM
+SUS
+3
+.SH NOTES
+.PP
+None.
+.SH BUGS
+.PP
+None known.
+.SH SEE ALSO
+wc(1p)

src/common.h

@@ -1,3 +1,4 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <string.h>

src/truefalse.c

@@ -0,0 +1,9 @@
+#include "common.h"
+
+int main(int argc, char **argv)
+    {
+    if(!strcmp(argv[0], "true"))
+	return 0;
+    else
+	return 1;
+    }

src/wc.c

@@ -0,0 +1,67 @@
+#include "common.h"
+
+enum {
+    LINES,
+    WORDS,
+    BYTES
+    };
+
+int* count_values(FILE *fp)
+    {
+    static int count[3] = {0};
+    char in_word, c;
+    in_word = c = 0;
+
+    while((c = getc(fp)) != EOF)
+	if(in_word)
+		switch(c)
+		    {
+		    case '\n':
+			count[LINES]++, count[BYTES]++;
+			in_word = 0;
+			break;
+
+		    case ' ':
+			in_word = 0;
+			count[BYTES]++;
+			break;
+
+		    case '\t':
+			in_word = 0;
+			count[BYTES]++;
+			break;
+
+		    default:
+			count[BYTES]++;
+			break;
+		    }
+	    else
+		switch(c)
+		    {
+		    case '\n':
+			count[LINES]++, count[BYTES]++;
+			break;
+
+		    case ' ':
+			count[BYTES]++;
+			break;
+
+		    case '\t':
+			count[BYTES]++;
+			break;
+
+		    default:
+			count[WORDS]++, count[BYTES]++;
+			in_word = 1;
+			break;
+		    }
+
+    return count;
+    }
+
+int main(int argc, char **argv)
+    {
+    return 0;
+
+    err:
+    }