#include "stdio.h"
#include "stdlib.h"

#define __LIBRARY__
#include "unistd.h"

_syscall3(int,execve2,const char *,file,char **,argv,char **,envp)

/*
 * 测试成功则输出：
 * "  I am test_echo."
 * 测试失败则输出：
 * "  execve2 error."
 */
void test_execve(void){
    char *argv[] = {"/bin/sh", "-c", "echo \"  I am test_echo.\"", NULL};
    char *env[] = {NULL};
    execve2("/bin/sh", argv, env);
    printf("  execve2 error.\n");
}

int main(void){
    test_execve();
    return 0;
}