#include <stdio.h>
#include <ctype.h>

int main(void)
{
   char *ch, text[] = "The quick brown fox jumps over the lazy dog.";
   int word = 0;
   for ( ch = text; *ch; ++ch )
   {
      if ( isalpha(*ch) )
      {
         if ( !word )
         {
            word = 1;
            printf("The start of a new word is '%c'\n", *ch);
         }
      }
      else
      {
         word = 0;
      }
   }
   return 0;
}

/* my output
The start of a new word is 'T'
The start of a new word is 'q'
The start of a new word is 'b'
The start of a new word is 'f'
The start of a new word is 'j'
The start of a new word is 'o'
The start of a new word is 't'
The start of a new word is 'l'
The start of a new word is 'd'
*/

char title[MAXTITLE] = "the Empire Strikes Back";

void convertToUpperCase(char *sPtr)
{
      while(*sPtr != '\0')
      {
         if (islower(*sPtr))
              *sPtr = toupper(*sPtr);
       }
}

void convertToUpperCase(char *sPtr)
{
   *sPtr = toupper(*sPtr);
}

*sPtr = toupper ( (unsigned char)*sPtr );

char s[] = "this is a test";
 
s[0] = toupper ( s[0] );
printf ( "%s\n", s );

#include <iostream>
#include <cctype>
#define MAXTITLE 128
 
using namespace std;
 
void PrintCharacters(const char *);
void covertToUppercase(char title);
 
int main()
{
	char title[MAXTITLE] = "the Empire Strikes Back";
 
	//cout << "Enter title: ";
	//cin >> title;
 
	cout << "Before converting to Upper Case: ";
	PrintCharacters(title);
	cout << endl;
 
	cout << "After converting to Upper Case: ";
	covertToUppercase(title);
	cout << endl;
 
return 0;
}
 
void PrintCharacters(const char * sPtr)
{
	for(; *sPtr != '\0'; sPtr++)
		cout << *sPtr;
}
 
void covertToUppercase(char title)
{
	title[0] = toupper(title[0]);
	cout << title;
 
	/*
	for (; *sPtr !='\0'; sPtr++)
	{
		*sPtr = toupper ((unsigned char) *sPtr);	
			cout << *sPtr;	
	}
	*/
	/*
	while (*sPtr != '\0')
	{
		if (islower(*sPtr))
			*sPtr = toupper((unsigned char)*sPtr);
			cout << *sPtr;
	sPtr++;
	}
	*/
}

titles.cpp: In function `int main()':
titles.cpp:22: error: invalid conversion from `char*' to `char'
titles.cpp:22: error:   initializing argument 1 of `void covertToUppercase(char)'
titles.cpp: In function `void covertToUppercase(char)':
titles.cpp:36: error: invalid types `char[int]' for array subscript
titles.cpp:36: error: invalid types `char[int]' for array subscript
 

void covertToUppercase(char title);

void covertToUppercase(char *title);