C program to convert currency into words

C code to convert any number to English word:

#include<stdio.h>

#include<string.h>

void toWord(int,int);

char * getPositionValue(int);

char * digitToWord(int);

char  word[100][30];

int i =0;

int main(){

    int j,k,subnumer;

    unsigned long int number;

    printf("Enter any postive number: ");

    scanf("%lu",&number);

   

    if(number ==0){

         printf("Zero");

         return 0;

    }

    while(number){

         if(i==1){

             toWord(number %10,i);

             number = number/10;

         }else{

             toWord(number %100,i);

             number = number/100;

         }

         i++;

        

    }

    printf("Number in word: ");

    *word[i-1] = *word[i-1] - 32;

    for(j=i-1;j>=0;j--){

         printf("%s",word[j]);

    }

    return 0;

}

void toWord(int number,int position){

    char  numberToword[100]={" "};

    if(number ==0){

    }else if (number < 20 ||number %10==0){

         strcpy(numberToword,digitToWord(number));

    }else{

         strcpy(numberToword,digitToWord((number/10)*10));

         strcat(numberToword,digitToWord(number%10));

    }

   

    strcat(numberToword,getPositionValue(position));

    strcpy(word[i],numberToword);

}

char * getPositionValue(int postion){

    static char positionValue[10]=" ";

   

    switch(postion){

         case 1: strcpy(positionValue,"hundreds "); break;

         case 2: strcpy(positionValue,"thousand "); break;

         case 3: strcpy(positionValue,"lakh "); break;

         case 4: strcpy(positionValue,"crore "); break;

         case 5: strcpy(positionValue,"arab "); break;

         case 6: strcpy(positionValue,"kharab "); break;

         case 7: strcpy(positionValue,"neel "); break;

         case 8: strcpy(positionValue,"padam "); break;

    }

    

    return positionValue;

}

char * digitToWord(int digit){

     static char digitInWord[10]=" ";

    switch(digit){

         case 1: strcpy(digitInWord , "one "); break;

         case 2: strcpy(digitInWord , "two "); break;

         case 3: strcpy(digitInWord , "three "); break;

         case 4: strcpy(digitInWord , "four "); break;

         case 5: strcpy(digitInWord , "five "); break;

         case 6: strcpy(digitInWord , "six "); break;

         case 7: strcpy(digitInWord , "seven "); break;

         case 8: strcpy(digitInWord , "eight "); break;

         case 9: strcpy(digitInWord , "nine ");break;

         case 10: strcpy(digitInWord , "ten "); break;

         case 11: strcpy(digitInWord , "eleven "); break;

         case 12: strcpy(digitInWord , "twelve "); break;

         case 13: strcpy(digitInWord , "thirteen "); break;

         case 14: strcpy(digitInWord , "fourteen "); break;

         case 15: strcpy(digitInWord , "fifteen "); break;

         case 16: strcpy(digitInWord , "sixteen "); break;

         case 17: strcpy(digitInWord , "seventeen "); break;

         case 18: strcpy(digitInWord , "eighteen "); break;

         case 19: strcpy(digitInWord , "nineteen "); break;

         case 20: strcpy(digitInWord , "twenty "); break;

         case 30: strcpy(digitInWord , "thirty "); break;

         case 40: strcpy(digitInWord , "fourty "); break;

         case 50: strcpy(digitInWord , "fifty "); break;

         case 60: strcpy(digitInWord , "sixty "); break;

         case 70: strcpy(digitInWord , "seventy "); break;

         case 80: strcpy(digitInWord , "eighty "); break;

         case 90: strcpy(digitInWord,"ninety "); break;

    }

   

    return digitInWord;

}