subtract two integers
@param a The first source integer
@param b The second source integer (single digit of upto bits_per_digit in length)
@param c The destination of "a - b"
@return CRYPT_OK on success
structltc_math_descriptor
intfunction(void* a, c_ulongb, void* c) nothrowsubi;
subtract two integers @param a The first source integer @param b The second source integer (single digit of upto bits_per_digit in length) @param c The destination of "a - b" @return CRYPT_OK on success