#include <u.h>#include <libc.h> #include "multiproto.h"struct {	char *name; 	void (*fn)(int, char**);} mains[] ={#include "multi.h"}; voidmain(int argc, char **argv){	int i;	char *cmd, *p;		if(argc == 1){		fprint(2, "usage: multi cmd args...\n");		exits("usage");	}		cmd = argv[1];	if(p = strrchr(cmd, '/'))		cmd = p+1;	argv++;	argc--; 	for(i=0; i<nelem(mains); i++){		if(strcmp(cmd, mains[i].name) == 0){			mains[i].fn(argc, argv);			return;		}	}	fprint(2, "multi: no such cmd %s\n", cmd);	exits("no cmd");}