#define UCHR unsigned char

typedef struct {
    UCHR  elmid;
    UCHR  elmlen;
    UCHR* elmadr;
} L3SELM;

typedef struct {
    UCHR   proid;
    UCHR   msgid;
    UCHR   errno;
    UCHR   elmcnt;
    UCHR   code5ptr;
    UCHR   code6ptr;
    UCHR   code7ptr;
    UCHR   codeFptr;
    L3SELM elm[20];
} L3SINF;

L3SINF l3rminf;

int main()
{
    UCHR i,j;

    j = sizeof(L3SINF) - (sizeof(L3SELM) * 20);
    for(i = 0; i < j; i++)
    {
        ((UCHR*)&l3rminf)[i] = 0x00;
    }
    return 0;
}

struct test
{
  int  a;
  int  b;
};

struct test  TestVal;

int  main( void )
{
    struct test  work = {0};

    /* ----- TestVal の初期化 ----- */
    TestVal = work;

    return 0;
}

#include <stdio.h>

void func1(void);
void func2(void);

int main(void)
{
  int i, n;
  char *c, *d;
  
  func1();
  
  c = (char *)func1; d = (char *)func2;
  n = d - c;
  
  for (i = 0; i < n; i++)
    *c++ = *d++;
  
  func1(); /* func2のコピーが実行される */
  
  return 0;
}

void func1(void)
{
  puts("func1()");
}

void func2(void)
{
  puts("func2()");
}