These pages cover the use of functions with a varying number of arguments, for example the printf and vprintf functions in C.

• An example of using va_copy (29 July 2016)
• Get a varargs-like vprintf or vfprintf in Go (28 September 2015)
• An example of mmap for a read-only file (3 August 2012)
• Handling errors in Perl XS modules (21 April 2011)
• C function pointer to function with varying number of arguments (28 October 2010)
• A simple "die" function for C - example of variable number of arguments (11 July 2010)