A valid C string consists of an array of zero or more characters plus an additional null character. Thus, the shortest possible string must contain at least one character. Remember
In pre-standard C++, the prototype of main() didn’t have a return value. On some compilers, it was: main() /* no explicit return value; int assumed*/ While others used one of
Applications constantly undergo modifications, bug fixes, and customization. Programmers often remove pieces of obsolete code that use a variable while leaving the declaration of that variable intact. A clever compiler
In legacy code and environments that support C exclusively, using scanf() is still a widespread method of getting input from a user (or a file, when using fscanf()). When using
One of the frequently asked questions I receive is: “I’m learning C at school/college/from a book. Am I wasting my time learning this language? Should I be learning C++ instead?”