---title:"structmg_ssi_call_ctx"decl_name:"structmg_ssi_call_ctx"symbol_kind:"struct"signature:|struct mg_ssi_call_ctx {struct http_message *req; /* The request being processed. */struct mg_str file; /* Filesystem path of the file being processed. */struct mg_str arg; /* The argument passed to the tag: <!-- call arg -->. */};---SSI call context