Credit Card Checker in C

In this OpenGenus article, we will write a program in C to verify the legitimacy of a credit card and determine the corresponding company using the Luhn algorithm. We will provide you with a generic template that can be customized to suit your needs.

Table of Content:

Checking credit card legitimacy using C / raw codeChecking Card TypeChecking Card Legitimacy with Luhn AlgorithmSample Input/Output CodeUnderstanding credit card legitimacy and typesThe Luhn algorithmLimitations of the co...