MAX_POSBUF         33 vm_dump.c          char posbuf[MAX_POSBUF+1];
MAX_POSBUF        104 vm_dump.c      	    snprintf(posbuf, MAX_POSBUF, ":%s", iseq_name);
MAX_POSBUF        112 vm_dump.c      		snprintf(posbuf, MAX_POSBUF, "%s:%d", RSTRING_PTR(cfp->iseq->body->location.path), line);
MAX_POSBUF        118 vm_dump.c      	snprintf(posbuf, MAX_POSBUF, ":%s", iseq_name);