cURL: curl_exec returning chopped up result on a POST operation

System: BSDI 4.1 Apache 1.3.26 PHP 4.1.2 cURL 7.9.8 I have the following function in PHP: function XMLExec($command) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, http://host.name/.cgi-bin/cgiprogram); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $command); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $res = curl_exec($ch); curl_close($ch); return $res; } Really simple little thing. The CGI-BIN program is a C program that returns XML output. The first line is Content-type: text/html, then a blank line and then XML Problem: Sometimes, especially when the XML output is long (maybe 12k or so), the output that ends up in the $res string is all chopped up. Usually, the first part of the output is present, but then a huge chunk is missing and then a middle section is there and then the end of the output is chopped off. Has anyone seen this before? The only error that I can see is that when Apache starts, it whines about PHP not being compiled with EAPI. Other than that, no other problems. I'm wondering if there is a buffering problem somwhere but I havent found any mention of this on any lists