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SOCK_PRN.C
资源名称:ertos.rar [点击查看]
上传用户:sunrenlu
上传日期:2022-06-13
资源大小:1419k
文件大小:1k
源码类别:
操作系统开发
开发平台:
DOS
- #include <copyright.h>
- #include <wattcp.h>
- #include <stdio.h>
- #include <stdarg.h>
- #include <string.h>
- /* socket based stuff */
- static char buffer[ tcp_MaxBufSize ];
- int sock_printf( sock_type *s, char *format, ... )
- {
- va_list argptr;
- int length;
- va_start( argptr, format );
- vsprintf( buffer, format, argptr );
- va_end( argptr );
- if ( (length = strlen( buffer )) > tcp_MaxBufSize ) {
- outs("ERROR: tcp sock_Printf overrunnr");
- return( 0 );
- }
- sock_puts( s, (byte *)buffer );
- return( length );
- }
- /*
- * sock_scanf - return number of fields returned
- */
- int sock_scanf( sock_type *s, char *format, ... )
- {
- va_list argptr;
- char buffer[ tcp_MaxBufSize ];
- int fields;
- int status;
- fields = 0;
- while (!( status = sock_dataready( s ))) {
- if (status == -1) return( -1 );
- if ( (fields = sock_gets( s, (byte *)buffer, tcp_MaxBufSize )) != 0 ) {
- va_start( argptr, format );
- fields = vsscanf( buffer, format, argptr );
- va_end( argptr );
- }
- }
- return( fields );
- }