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C Exercises: Count blanks, tabs, and newlines in an input text.

C Basic Declarations and Expressions: Exercise-96 with Solution

Write a C program to count blanks, tabs, and newlines in an input text.

Sample Solution:

C Code:

#include <stdio.h>

int main()
{
  int blank_char, tab_char, new_line;
  blank_char = 0;
  tab_char = 0;
  new_line = 0;
  int c;
  printf("Number of blanks, tabs, and newlines:\n");
  printf("Input few words/tab/newlines\n");
  for (; (c = getchar()) != EOF;)
  {
    if ( c == ' ' ){
      ++blank_char;
    }
    if ( c == '\t' ){
      ++tab_char;
    }
    if ( c == '\n' ){
      ++new_line;
    }
  }  
  printf("blank=%d,tab=%d,newline=%d\n",blank_char,tab_char,new_line);
}

Sample Output:

Number of blanks, tabs, and newlines:
Input few words/tab/newlines
The quick
brown fox jumps
over the lazy dog
^Z
blank=7,tab=2,newline=3

Flowchart:

C Programming Flowchart: Count blanks, tabs, and newlines in an input text.

C programming Code Editor:

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C Programming: Tips of the Day

Static variable inside of a function in C

The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().

The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.

The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().

Ref : https://bit.ly/3fOq7XP