操作系统SunOS 4.1.3版本的源码

				#if !defined(lint) && defined(SCCSIDS)				static	char sccsid[] = "@(#)sprintf.c 1.1 92/07/30 SMI"; /* from S5R2 1.5 */				#endif								/*LINTLIBRARY*/				#include 				#include 				#include 								extern int _doprnt();								/*VARARGS2*/				int				sprintf(string, format, va_alist)				char *string, *format;				va_dcl				{					register int count;					FILE siop;					va_list ap;									siop._cnt = MAXINT;					siop._base = siop._ptr = (unsigned char *)string;					siop._flag = _IOWRT+_IOSTRG;					va_start(ap);					count = _doprnt(format, ap, &siop);					va_end(ap);					*siop._ptr = '\0'; /* plant terminating null character */					return(count);				}