__va_list          52 user/include/err.h void vwarn(const char *fmt, __va_list);
__va_list          53 user/include/err.h void vwarnx(const char *fmt, __va_list);
__va_list          54 user/include/err.h void verr(int exitcode, const char *fmt, __va_list);
__va_list          55 user/include/err.h void verrx(int exitcode, const char *fmt, __va_list);
__va_list          51 user/include/stdio.h 	      __va_list ap);
__va_list          55 user/include/stdio.h int vprintf(const char *fmt, __va_list ap);
__va_list          57 user/include/stdio.h int vsnprintf(char *buf, size_t len, const char *fmt, __va_list ap);