1 #ifndef _BITS_UNISTD_H 2 #define _BITS_UNISTD_H 3 4 #define _POSIX_VERSION 200809L 5 6 #ifdef __cplusplus 7 extern "C" { 8 #endif 9 10 int execl(const char *path, const char* argv0, ...); 11 int execle(const char *path, const char* argv0, ...); 12 int execlp(const char *file, const char* argv0, ...); 13 14 #ifdef __cplusplus 15 } // extern "C" 16 #endif 17 18 #endif 19