typing.c

#ifdef _WIN32
#include <Windows.h>
#define muhSleep(x) Sleep((x)) 
#else
#include <unistd.h>
#define muhSleep(x) sleep((x))
#endif

void fillOffsets( int **offsets, char *str )
{
   int n = strlen(str), base = 50, spaces = 0,
       b = rand() % 4 + 3, stutters = rand() % 4 + 1;

   *offsets = calloc(sizeof(int), n);

   for (int i = 0; i < n; i++)
   {
      switch (str[i])
      {
      case ' ':
         
         spaces++;

         if (spaces == b)
         {
            (*offsets)[i] = base * 5 + 10 * (5 + rand() % 5);
            spaces = 0;
            b = rand() % 3 + 2;
         }
         else
            (*offsets)[i] = base;
         break;
      default:
         (*offsets)[i] = base + 10 + rand() % 10;
         break;
      }
   }

   for (int j = 0; j < stutters; j++)
      (*offsets)[rand() % n] = -1;
}


int main( void )
{
   int i, *offsets = 0;
   char Buf[1000] = "How can I print text in c which make it feels like someone is typing?\nLike characters would print one after another pausing for a brief 1 to 2 secs?";
   int n = strlen(Buf);

   getchar();

   srand((int)time(NULL));

   fillOffsets(&offsets, Buf);

   for (int i = 0; i < n; i++)
   {
      printf("%c", Buf[i]);

      if (offsets[i] == -1)
      {
         offsets[i] = 50;
         for (int k = 0; k < 4; k++, i--)
         {
            printf("\b \b");
            muhSleep(50);
         }
         
         if (i < 0)
            i = 0;

         muhSleep(500);
      }
      else
        muhSleep(offsets[i]);
   }

   getchar();

   free(offsets);

   return 0;
}