/*** *vprintf.c - printf from a var args pointer * * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved. * *Purpose: * defines vprintf() - print formatted data from an argument list pointer * *******************************************************************************/ #include #include #include #include #include #include #include /*** *int vprintf(format, ap) - print formatted data from an argument list pointer * *Purpose: * Prints formatted data items to stdout. Uses a pointer to a * variable length list of arguments instead of an argument list. * *Entry: * char *format - format string, describes data format to write * va_list ap - pointer to variable length arg list * *Exit: * returns number of characters written * *Exceptions: * *******************************************************************************/ int __cdecl vprintf ( const char *format, va_list ap ) /* * stdout 'V'ariable, 'PRINT', 'F'ormatted */ { REG1 FILE *stream = stdout; REG2 int buffing; REG3 int retval; _ASSERTE(format != NULL); _lock_str(stream); buffing = _stbuf(stream); retval = _output(stream, format, ap ); _ftbuf(buffing, stream); _unlock_str(stream); return(retval); }