ngx_http_set_variable_pt  102 http/ngx_http_script.h     ngx_http_set_variable_pt    handler;
ngx_http_set_variable_pt   22 http/ngx_http_variables.h typedef void (*ngx_http_set_variable_pt) (ngx_http_request_t *r,
ngx_http_set_variable_pt   36 http/ngx_http_variables.h     ngx_http_set_variable_pt      set_handler;