Question

How to count blanks,tabs and newlines in C

Answer 1

#include <stdio.h> 

int main(void)
{   
    int nb,nt,n_nl,ch;

	nb=nt=n_nl=0;

    printf("Enter a sentence (Ctrl-c to exit): ");
	while((ch=getchar())!=EOF)
	{
		if (ch==' ')
			nb++;
		if (ch=='	')
			nt++;
		if (ch=='\n')
			n_nl++;
	}
	printf("Blanks: %d  Tabs: %d  Newlines: %d",nb,nt,n_nl);

         
    return 0;
}


 
/*
run:
   
Enter a sentence (Ctrl-c to exit): c    c++ java                vb
c#
pascal
Blanks: 5  Tabs: 2  Newlines: 3

*/

 

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Answer 2

#include <stdio.h> 

int main(void)
{   
    int nb,nt,n_nl,ch;

	nb=nt=n_nl=0;

    printf("Enter a sentence (Ctrl-c to exit): ");
	while((ch=getchar())!=EOF)
	{
		if (ch==' ')
			nb++;
		if (ch=='\t')
			nt++;
		if (ch=='\n')
			n_nl++;
	}
	printf("Blanks: %d  Tabs: %d  Newlines: %d",nb,nt,n_nl);

         
    return 0;
}


 
/*
run:
   
Enter a sentence (Ctrl-c to exit): c   c++                      java
c#
Blanks: 3  Tabs: 3  Newlines: 2

*/

 

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