// 3.4.3.8 errno.c 清单
#include <windows.h>
#include <winsock.h>
/*
* 文件名: ERRNO.C
*/
/*
* Function: WSAsperror(). 72 .
*
* Description:
*
* Copies string corresponding to the error code provided
* into buf, maximum length len. Returns length actually
* copied to buffer, or zero if error code is unknown.
* String resources should be present for each error code
* using the value of the code as the string ID (except for
* error = 0, which is mapped to WSABASEERR to keep it with
* the others). The DLL is free to use any string IDs that
* are less than WSABASEERR for its own use.
*
*/
int PASCAL FAR WSAsperror (HANDLE hInst, /* Instance Handle */
int errorcode, /* WSA Error Number */
char far * buf, /* Buffer for error string */
int len) /* Length of buffer */
{
int err_len; /* length of error text */
if (errorcode == 0) /* If error passed is 0, use the */
errorcode = WSABASEERR; /* base resource file number */
if (errorcode < WSABASEERR) /* If invalid Error code */
return 0; /* return string length of zero */
/* error string from the table in the Resource file into buffer */
err_len = LoadString(hInst,errorcode,buf,len);
return (err_len); /* return length of error string retrieved */
} /* end WSAsperror() */
/* eof */
