my_free            88 ext/xmlrpc/libxmlrpc/simplestring.c #define my_free(thing)  if(thing) {free(thing); thing = 0;}
my_free           128 ext/xmlrpc/libxmlrpc/xml_element.c #define my_free(thing)  if(thing) {free(thing); thing = NULL;}
my_free           169 ext/xmlrpc/libxmlrpc/xmlrpc_private.h #define my_free(thing)  if(thing) {free(thing); thing = 0;}