C Program to Converts a Number to a String.

C Program to Converts a Number to a String.

How to write a C Program to Converts a number to a string in C Programming Language ?


Solution:
  1. #include <string.h>     /* strcat */
  2. #include <stdlib.h>     /* strtol */
  4. int bit_count(int);
  6. // Converts a number to a string.
  7. char *tobin(int n)
  8. {
  9.    int c, d, count;
  10.    char *pointer;
  12.    count = 0;
  13.    pointer = (char*)malloc(bit_count(~0));
  15.    if ( pointer == NULL )
  16.       exit(EXIT_FAILURE);
  18.    for ( c = 31 ; c >= 0 ; c-- )
  19.    {
  20.       d = n >> c;
  22.       if ( d & 1 )
  23.          *(pointer+count) = 1 + '0';
  24.       else
  25.          *(pointer+count) = 0 + '0';
  27.       count++;
  28.    }
  29.    *(pointer+count) = '\0';
  31.    return  pointer;
  32. }// End *tobin


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