Elysian Shadows

Here's an adaption of your code with basically the same functionality, except that it doesn't include the 2nd if statement and returns a char * instead of an index. char * findSTR(char * needle, char * haystack) { for(; *haystack; haystack++) { int i = 0; while(needle[i] == haystack[i]) { if(needle[...

Ah yes that's pretty much what I had in mind, except for the mistake I made with passing 0 instead of (char*)NULL.

Unless you're using an entirely different mechanism I don't see how that would work. The documentation for the va_arg function states the following: Notice also that va_arg does not determine either whether the retrieved argument is the last argument passed to the function (or even if it is an eleme...

This was a pretty interesting 'challenge', I knew how printf worked but had never created a function like this before... I'd like to know what your approach to something like this would be, if it's any different at all. Here's the code: #include <stdarg.h> //va_list etc.. #include <stdio.h> //printf...