ref: b91d539b8c273c086f7b3548700c429d2ad7c5d4
dir: /lib/c/include/stdarg.h/
#ifndef _STDARG_H #define _STDARG_H #define va_list __builtin_va_list #define va_start(ap, last) __builtin_va_start(ap, last) #define va_end(ap) __builtin_va_end(ap) #define va_copy(to, from) __builtin_va_copy(to, from) #define va_arg(to, type) __builtin_va_arg(to, type) #endif