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int write_to_log(char *content, ...)
{
  if(logfile == NULL){
    fprintf(stderr, "logfile must be initialized!\n", stderr);
return(-1);
  }
  va_list  argument;
  va_start(argument, content);
  vfprintf(logfile, content, argument);
  va_end(argument);
  return 0;
}

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e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(62) : error C2275: 'va_list' : illegal use of this type as an expression
        e:\vc6.0ÍêÕûÂÌÉ«°æ\vc98\include\stdio.h(97) : see declaration of 'va_list'
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(62) : error C2146: syntax error : missing ';' before identifier 'argument'
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(62) : error C2065: 'argument' : undeclared identifier
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(63) : warning C4047: '=' : 'int ' differs in levels of indirection from 'char *'
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(64) : warning C4047: 'function' : 'char *' differs in levels of indirection from 'int '
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\share.c(64) : warning C4024: 'vfprintf' : different types for formal and actual parameter 3
e:\vc6.0ÍêÕûÂÌÉ«°æ\myprojects\server\sha