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ANSI-standard macros, `stdarg.h'

In ANSI C, a function has a variable number of arguments when its parameter list ends in an ellipsis (...). The parameter list must also include at least one explicitly named argument; that argument is used to initialize the variable list data structure.

ANSI C defines three macros (va_start, va_arg, and va_end) to operate on variable argument lists. `stdarg.h' also defines a special type to represent variable argument lists: this type is called va_list.


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