root@xxxx:/usr/include# ggrep va_list *
apptrace.h:extern int (*ABI_VFPRINTF)(FILE *, const char *, va_list);
apptrace.h:extern int (*ABI_VFWPRINTF)(FILE *, const wchar_t *, va_list);
apptrace.h:extern int (*ABI_VPRINTF)(const char *, va_list);
apptrace.h:extern int (*ABI_VSNPRINTF)(char *, size_t, const char *, va_list);
apptrace.h:extern int (*ABI_VSPRINTF)(char *, const char *, va_list);
apptrace.h:extern int (*ABI_VSWPRINTF)(wchar_t *, size_t, const wchar_t *, va_list);
apptrace.h:extern int (*ABI_VWPRINTF)(const wchar_t *, va_list);
curses.h:               /* __va_list is the ANSI-C safe definition of the       */
curses.h:               /* va_list type as allowed to be defined in stdlib.h.   */
curses.h:               /* <stdio.h> provides the nested include of <va_list.h> */
curses.h:extern int vwprintw(WINDOW *, char *, __va_list);
curses.h:extern int vwscanw(WINDOW *, char *, __va_list);
err.h:void verr(int, const char *, va_list);
err.h:void verrx(int, const char *, va_list);
err.h:void vwarn(const char *, va_list);
err.h:void vwarnx(const char *, va_list);
pfmt.h:int vpfmt(FILE *, long, const char *, va_list);
pfmt.h:int vlfmt(FILE *, long, const char *, va_list);
stdarg.h: * in <sys/va_list.h>.  This organization enables protected use of
stdarg.h:using std::va_list;
stdio.h: * XPG4 requires that va_list be defined in <stdio.h> "as described in
stdio.h:typedef __va_list va_list;
stdio.h:extern int vasprintf(char **, const char *, __va_list);
syslog.h:#include <sys/va_list.h>
syslog.h:void vsyslog(int, const char *, __va_list);
tcl.h: * initializes the va_list data structure and returns the first argument.
tclDecls.h:                             va_list argList));
tclDecls.h:                             Tcl_Obj * objPtr, va_list argList));
tclDecls.h:                             va_list argList));
tclDecls.h:                             va_list argList));
tclDecls.h:                             va_list argList));
tclDecls.h:    void (*tcl_AppendResultVA) _ANSI_ARGS_((Tcl_Interp * interp, va_list argList)); /* 267 */
tclDecls.h:    void (*tcl_AppendStringsToObjVA) _ANSI_ARGS_((Tcl_Obj * objPtr, va_list argList)); /* 268 */
tclDecls.h:    void (*tcl_SetErrorCodeVA) _ANSI_ARGS_((Tcl_Interp * interp, va_list argList)); /* 275 */
tclDecls.h:    int (*tcl_VarEvalVA) _ANSI_ARGS_((Tcl_Interp * interp, va_list argList)); /* 276 */
tclDecls.h:    void (*tcl_PanicVA) _ANSI_ARGS_((CONST char * format, va_list argList)); /* 278 */
utility.h:extern char * _makearg(FIELDTYPE *, va_list *, int *);
varargs.h:typedef __va_list va_list;
wchar.h: * XPG6 requires that va_list be defined as defined in <stdarg.h>,
wchar.h:typedef __va_list va_list;
root@xxxx:/usr/include#