float (*fval)[5];
:show fval
struct stag {int x; double da[5];} st;
:show st
struct { float v; struct stag st;} sr;
:show sr
int sqr(int x);
:show sqr
int sqr(int x) { return x * x;}
:show sqr
:show printf
printf("hello\n");
#include <stdio.h>
:show printf
printf("hello\n");
#include ../doc/regline.c
:show regline
:rm fval
:show fval
int *p1, *p2, a, b,c;
:variables int *
int f(char * s) { return 1;}
int foo(const char * str);
:variables  int (char * x)
struct stag {int x,y;};
enum etag {RED,GREE, BLUE};
:variables tags
:help
:-I./tests
:-R ./tests
:-L
:history
