Is the behavior of subtracting two NULL pointers defined?...

In C89, I can't seem to make a character array from an existing one...

What is the purpose of composite types in C?...

Macro for use in expression while enforcing its arguments to be compile time constants...

Sublime Text C89 autocompletion...

Why this program loops endlessly sometimes and not always...

Preventing torn reads with an HCS12 microcontroller...

What does (void)var actually do?...

How to compile for a freestanding environment with GCC?...

Redefining main to another name...

What is a conventional way to find the header file corresponding to a C function?...

What are the semantics of function pointers with empty parentheses in each C standard?...

How to insert booleans into a bitfield in C89...

C - Read and allocate an arbitrary array of strings...

Struct pointer casts...

The Vigenere encryption...

How to elegantly avoid "condition is always true" warning for this particular kind of for-...

What are the set of options to pass to gcc when compiling C89 code...

Enforcing ANSI C89 with clang...

How to eliminate duplicates in a struct, and use qsort to sort them in C...

Reading a file with multiple lines into a struct in C89...

Return with no value...

c89: Convert an int to void* and back...

Are prototypes required for all functions in C89, C90 or C99?...

Is returning va_list safe in C?...

Type Promotion in C, Passing a long as an Argument...

Implementing a FIFO queue in C...

Why enums have names in C?...

Printing size_t using printf in GNU systems...

Adding a pointer to size_t in C89...