src/main.zig


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const std = @import("std");

/// Produces an HTML page listing the environment variables.
pub fn main() !void {
    const stdout = std.io.getStdOut().writer();
    //
    try stdout.writeAll("Content-Type: text/html\r\n");
    try stdout.writeAll("\r\n");
    try stdout.writeAll(
        \\<!doctype HTML>
        \\<html>
        \\<body>
        \\<p>Environment variables passed to CGI script:</p>
        \\<ul>
    );
    for (std.os.environ) |env| {
        try stdout.writeAll("<li>");
        const env_slice = std.mem.sliceTo(env, 0);
        try stdout.writeAll(env_slice);
        try stdout.writeAll("</li>\n");
    }
    try stdout.writeAll(
        \\</ul>
        \\</body>
        \\</html>
    );
}