K&R C Exercise 2-3: htoi — Convert Hex String to Integer

Posted on December 21, 2011June 21, 2026 by Sandeepa Nadahalli

Exercise 2-3. Write the function htoi(s), which converts a string of hexadecimal digits (including an optional 0x or 0X) into its equivalent integer value. The allowable digits are 0 through 9, a through f, and A through F. How htoi Works Hexadecimal is simply base-16 positional notation. Converting from a hex string to an integer …

C program to convert a Binary number into its equivalent Decimal, Octal and Hexadecimal numbers.

Posted on October 19, 2011August 11, 2017 by Sandeepa Nadahalli

C Program to convert binary number into its equivalent Decimal, Octal, and Hexadecimal representations. In this program we convert a binary number to decimal. Then convert that decimal number to octal and Hexadecimal equivalent. The program implements various functions to do the job. binary_to_decimal : Convert given binary number to it’s decimal equivalent decimal_to_octal : Convert from …