Finding the limits : Variable Size and Limitation « Language « C Tutorial

1. C Tutorial
2. Language
3. Variable Size and Limitation

#include <stdio.h>      
#include <limits.h>   
#include <float.h>    

int main(void)
{
  printf("Variables of type char store values from %d to %d", CHAR_MIN, CHAR_MAX);
  printf("\nVariables of type unsigned char store values from 0 to %u", UCHAR_MAX);
  printf("\nVariables of type short store values from %d to %d", SHRT_MIN, SHRT_MAX);
  printf("\nVariables of type unsigned short store values from 0 to %u",USHRT_MAX);
  printf("\nVariables of type int store values from %d to %d", INT_MIN, INT_MAX);
  printf("\nVariables of type unsigned int store values from 0 to %u", UINT_MAX);
  printf("\nVariables of type long store values from %ld to %ld", LONG_MIN, LONG_MAX);
  printf("\nVariables of type unsigned long store values from 0 to %lu", ULONG_MAX);
  printf("\nVariables of type long long store values from %lld to %lld", LLONG_MIN, LLONG_MAX);
  printf("\nVariables of type unsigned long long store values from 0 to %llu", ULLONG_MAX);
  printf("\n\nThe size of the smallest non-zero value of type float is %.3e", FLT_MIN);
  printf("\nThe size of the largest value of type float is %.3e", FLT_MAX);
  printf("\nThe size of the smallest non-zero value of type double is %.3e", DBL_MIN);
  printf("\nThe size of the largest value of type double is %.3e", DBL_MAX);
  printf("\nThe size of the smallest non-zero value of type long double is %.3Le", LDBL_MIN);
  printf("\nThe size of the largest value of type long double is %.3Le\n", LDBL_MAX);
  printf("\nVariables of type float provide %u decimal digits precision.",  FLT_DIG);
  printf("\nVariables of type double provide %u decimal digits precision.",  DBL_DIG);
  printf("\nVariables of type long double provide %u decimal digits precision.", LDBL_DIG);
  return 0;
}

Variables of type char store values from -128 to 127
     Variables of type unsigned char store values from 0 to 255
     Variables of type short store values from -32768 to 32767
     Variables of type unsigned short store values from 0 to 65535
     Variables of type int store values from -2147483648 to 2147483647
     Variables of type unsigned int store values from 0 to 4294967295
     Variables of type long store values from -2147483648 to 2147483647
     Variables of type unsigned long store values from 0 to 4294967295
     Variables of type long long store values from -9223372036854775808 to 9223372036854775807
     Variables of type unsigned long long store values from 0 to 18446744073709551615
     
     The size of the smallest non-zero value of type float is 1.175e-38
     The size of the largest value of type float is 3.403e+38
     The size of the smallest non-zero value of type double is 2.225e-308
     The size of the largest value of type double is 1.798e+308
     The size of the smallest non-zero value of type long double is 3.362e-4932
     The size of the largest value of type long double is 1.190e+4932
     
     Variables of type float provide 6 decimal digits precision.
     Variables of type double provide 15 decimal digits precision.
     Variables of type long double provide 18 decimal digits precision.