qfedu-linux-advanced-level/day3/d8.c

#include <stdio.h>
#include <unistd.h>

int main()
{
    // 环境变量动态设置，用于 d7 的读取
    char *env[] = {"JAVA_HOME=/opt/java", "PYTHON_HOME=/opt/python", NULL};
    int ret = execle("./d7", "d7", NULL, env);
    if (ret == -1)
    {
        perror("./d7");
    }

    return 0;
}