摘要：
1 #include <unistd.h> 2 extern char **environ; 3 int execl(const char *path, 4 const char *arg, ...); 5 int execlp(const char *file, 6 const char *arg, ...); 7 int execle(const char *path, 8 const char *arg, 9 ..., 10 char * const envp... 阅读全文