How to solve a program that accepts a number as input and prints just the decimal portion
enter a number 15.789
output 0.789

There are 2 ways to do extract the decimal part:

Explanation:

int main() {

 double doublenum = 24.535;

 int integerpart = (int)doublenum;

 double decimalpart = num - integerpart;

 printf(""Num = %f, integerpart = %d, decimalpart = %f\n"", doublenum, integerpart, decimalpart);

}

#include <stdlib.h>

int main()

{

   char* inStr = ""193.789"";          

   char* endptrvar;                      

   char* loc = strchr(inStr, '.');

   long mantissaval = strtod(loc+1, endptrvar);

   long wholenum = strtod(inStr, endptrvar);

   printf(""whole: %d \n"", wholenum);      

   printf(""mantissa: %d"", mantissaval);  

}

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