# 1 "env1.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 31 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 32 "<command-line>" 2
# 1 "env1.c"
# 1 "/usr/include/stdlib.h" 1 3 4







# 1 "/usr/include/features.h" 1 3 4
# 9 "/usr/include/stdlib.h" 2 3 4
# 19 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/bits/alltypes.h" 1 3 4
# 18 "/usr/include/bits/alltypes.h" 3 4

# 18 "/usr/include/bits/alltypes.h" 3 4
typedef int wchar_t;
# 101 "/usr/include/bits/alltypes.h" 3 4
typedef unsigned long size_t;
# 20 "/usr/include/stdlib.h" 2 3 4

int atoi (const char *);
long atol (const char *);
long long atoll (const char *);
double atof (const char *);

float strtof (const char *restrict, char **restrict);
double strtod (const char *restrict, char **restrict);
long double strtold (const char *restrict, char **restrict);

long strtol (const char *restrict, char **restrict, int);
unsigned long strtoul (const char *restrict, char **restrict, int);
long long strtoll (const char *restrict, char **restrict, int);
unsigned long long strtoull (const char *restrict, char **restrict, int);

int rand (void);
void srand (unsigned);

void *malloc (size_t);
void *calloc (size_t, size_t);
void *realloc (void *, size_t);
void free (void *);
void *aligned_alloc(size_t, size_t);

_Noreturn void abort (void);
int atexit (void (*) (void));
_Noreturn void exit (int);
_Noreturn void _Exit (int);
int at_quick_exit (void (*) (void));
_Noreturn void quick_exit (int);

char *getenv (const char *);

int system (const char *);

void *bsearch (const void *, const void *, size_t, size_t, int (*)(const void *, const void *));
void qsort (void *, size_t, size_t, int (*)(const void *, const void *));

int abs (int);
long labs (long);
long long llabs (long long);

typedef struct { int quot, rem; } div_t;
typedef struct { long quot, rem; } ldiv_t;
typedef struct { long long quot, rem; } lldiv_t;

div_t div (int, int);
ldiv_t ldiv (long, long);
lldiv_t lldiv (long long, long long);

int mblen (const char *, size_t);
int mbtowc (wchar_t *restrict, const char *restrict, size_t);
int wctomb (char *, wchar_t);
size_t mbstowcs (wchar_t *restrict, const char *restrict, size_t);
size_t wcstombs (char *restrict, const wchar_t *restrict, size_t);




size_t __ctype_get_mb_cur_max(void);
# 99 "/usr/include/stdlib.h" 3 4
int posix_memalign (void **, size_t, size_t);
int setenv (const char *, const char *, int);
int unsetenv (const char *);
int mkstemp (char *);
int mkostemp (char *, int);
char *mkdtemp (char *);
int getsubopt (char **, char *const *, char **);
int rand_r (unsigned *);






char *realpath (const char *restrict, char *restrict);
long int random (void);
void srandom (unsigned int);
char *initstate (unsigned int, char *, size_t);
char *setstate (char *);
int putenv (char *);
int posix_openpt (int);
int grantpt (int);
int unlockpt (int);
char *ptsname (int);
char *l64a (long);
long a64l (const char *);
void setkey (const char *);
double drand48 (void);
double erand48 (unsigned short [3]);
long int lrand48 (void);
long int nrand48 (unsigned short [3]);
long mrand48 (void);
long jrand48 (unsigned short [3]);
void srand48 (long);
unsigned short *seed48 (unsigned short [3]);
void lcong48 (unsigned short [7]);



# 1 "/usr/include/alloca.h" 1 3 4
# 9 "/usr/include/alloca.h" 3 4
# 1 "/usr/include/bits/alltypes.h" 1 3 4
# 10 "/usr/include/alloca.h" 2 3 4

void *alloca(size_t);
# 139 "/usr/include/stdlib.h" 2 3 4
char *mktemp (char *);
int mkstemps (char *, int);
int mkostemps (char *, int, int);
void *valloc (size_t);
void *memalign(size_t, size_t);
int getloadavg(double *, int);
int clearenv(void);
# 2 "env1.c" 2
# 1 "/usr/include/stdio.h" 1 3 4
# 22 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/bits/alltypes.h" 1 3 4





typedef __builtin_va_list va_list;




typedef __builtin_va_list __isoc_va_list;
# 116 "/usr/include/bits/alltypes.h" 3 4
typedef long ssize_t;
# 203 "/usr/include/bits/alltypes.h" 3 4
typedef long off_t;
# 356 "/usr/include/bits/alltypes.h" 3 4
typedef struct _IO_FILE FILE;
# 23 "/usr/include/stdio.h" 2 3 4
# 50 "/usr/include/stdio.h" 3 4
typedef union _G_fpos64_t {
 char __opaque[16];
 long long __lldata;
 double __align;
} fpos_t;

extern FILE *const stdin;
extern FILE *const stdout;
extern FILE *const stderr;





FILE *fopen(const char *restrict, const char *restrict);
FILE *freopen(const char *restrict, const char *restrict, FILE *restrict);
int fclose(FILE *);

int remove(const char *);
int rename(const char *, const char *);

int feof(FILE *);
int ferror(FILE *);
int fflush(FILE *);
void clearerr(FILE *);

int fseek(FILE *, long, int);
long ftell(FILE *);
void rewind(FILE *);

int fgetpos(FILE *restrict, fpos_t *restrict);
int fsetpos(FILE *, const fpos_t *);

size_t fread(void *restrict, size_t, size_t, FILE *restrict);
size_t fwrite(const void *restrict, size_t, size_t, FILE *restrict);

int fgetc(FILE *);
int getc(FILE *);
int getchar(void);
int ungetc(int, FILE *);

int fputc(int, FILE *);
int putc(int, FILE *);
int putchar(int);

char *fgets(char *restrict, int, FILE *restrict);




int fputs(const char *restrict, FILE *restrict);
int puts(const char *);

int printf(const char *restrict, ...);
int fprintf(FILE *restrict, const char *restrict, ...);
int sprintf(char *restrict, const char *restrict, ...);
int snprintf(char *restrict, size_t, const char *restrict, ...);

int vprintf(const char *restrict, __isoc_va_list);
int vfprintf(FILE *restrict, const char *restrict, __isoc_va_list);
int vsprintf(char *restrict, const char *restrict, __isoc_va_list);
int vsnprintf(char *restrict, size_t, const char *restrict, __isoc_va_list);

int scanf(const char *restrict, ...);
int fscanf(FILE *restrict, const char *restrict, ...);
int sscanf(const char *restrict, const char *restrict, ...);
int vscanf(const char *restrict, __isoc_va_list);
int vfscanf(FILE *restrict, const char *restrict, __isoc_va_list);
int vsscanf(const char *restrict, const char *restrict, __isoc_va_list);

void perror(const char *);

int setvbuf(FILE *restrict, char *restrict, int, size_t);
void setbuf(FILE *restrict, char *restrict);

char *tmpnam(char *);
FILE *tmpfile(void);




FILE *fmemopen(void *restrict, size_t, const char *restrict);
FILE *open_memstream(char **, size_t *);
FILE *fdopen(int, const char *);
FILE *popen(const char *, const char *);
int pclose(FILE *);
int fileno(FILE *);
int fseeko(FILE *, off_t, int);
off_t ftello(FILE *);
int dprintf(int, const char *restrict, ...);
int vdprintf(int, const char *restrict, __isoc_va_list);
void flockfile(FILE *);
int ftrylockfile(FILE *);
void funlockfile(FILE *);
int getc_unlocked(FILE *);
int getchar_unlocked(void);
int putc_unlocked(int, FILE *);
int putchar_unlocked(int);
ssize_t getdelim(char **restrict, size_t *restrict, int, FILE *restrict);
ssize_t getline(char **restrict, size_t *restrict, FILE *restrict);
int renameat(int, const char *, int, const char *);
char *ctermid(char *);







char *tempnam(const char *, const char *);




char *cuserid(char *);
void setlinebuf(FILE *);
void setbuffer(FILE *, char *, size_t);
int fgetc_unlocked(FILE *);
int fputc_unlocked(int, FILE *);
int fflush_unlocked(FILE *);
size_t fread_unlocked(void *, size_t, size_t, FILE *);
size_t fwrite_unlocked(const void *, size_t, size_t, FILE *);
void clearerr_unlocked(FILE *);
int feof_unlocked(FILE *);
int ferror_unlocked(FILE *);
int fileno_unlocked(FILE *);
int getw(FILE *);
int putw(int, FILE *);
char *fgetln(FILE *, size_t *);
int asprintf(char **, const char *, ...);
int vasprintf(char **, const char *, __isoc_va_list);
# 3 "env1.c" 2
# 1 "/usr/include/unistd.h" 1 3 4
# 33 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/bits/alltypes.h" 1 3 4
# 121 "/usr/include/bits/alltypes.h" 3 4
typedef long intptr_t;
# 276 "/usr/include/bits/alltypes.h" 3 4
typedef int pid_t;
# 286 "/usr/include/bits/alltypes.h" 3 4
typedef unsigned uid_t;




typedef unsigned gid_t;
# 301 "/usr/include/bits/alltypes.h" 3 4
typedef unsigned useconds_t;
# 34 "/usr/include/unistd.h" 2 3 4

int pipe(int [2]);
int pipe2(int [2], int);
int close(int);
int posix_close(int, int);
int dup(int);
int dup2(int, int);
int dup3(int, int, int);
off_t lseek(int, off_t, int);
int fsync(int);
int fdatasync(int);

ssize_t read(int, void *, size_t);
ssize_t write(int, const void *, size_t);
ssize_t pread(int, void *, size_t, off_t);
ssize_t pwrite(int, const void *, size_t, off_t);

int chown(const char *, uid_t, gid_t);
int fchown(int, uid_t, gid_t);
int lchown(const char *, uid_t, gid_t);
int fchownat(int, const char *, uid_t, gid_t, int);

int link(const char *, const char *);
int linkat(int, const char *, int, const char *, int);
int symlink(const char *, const char *);
int symlinkat(const char *, int, const char *);
ssize_t readlink(const char *restrict, char *restrict, size_t);
ssize_t readlinkat(int, const char *restrict, char *restrict, size_t);
int unlink(const char *);
int unlinkat(int, const char *, int);
int rmdir(const char *);
int truncate(const char *, off_t);
int ftruncate(int, off_t);






int access(const char *, int);
int faccessat(int, const char *, int, int);

int chdir(const char *);
int fchdir(int);
char *getcwd(char *, size_t);

unsigned alarm(unsigned);
unsigned sleep(unsigned);
int pause(void);

pid_t fork(void);
int execve(const char *, char *const [], char *const []);
int execv(const char *, char *const []);
int execle(const char *, const char *, ...);
int execl(const char *, const char *, ...);
int execvp(const char *, char *const []);
int execlp(const char *, const char *, ...);
int fexecve(int, char *const [], char *const []);
_Noreturn void _exit(int);

pid_t getpid(void);
pid_t getppid(void);
pid_t getpgrp(void);
pid_t getpgid(pid_t);
int setpgid(pid_t, pid_t);
pid_t setsid(void);
pid_t getsid(pid_t);
char *ttyname(int);
int ttyname_r(int, char *, size_t);
int isatty(int);
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);

uid_t getuid(void);
uid_t geteuid(void);
gid_t getgid(void);
gid_t getegid(void);
int getgroups(int, gid_t []);
int setuid(uid_t);
int seteuid(uid_t);
int setgid(gid_t);
int setegid(gid_t);

char *getlogin(void);
int getlogin_r(char *, size_t);
int gethostname(char *, size_t);
char *ctermid(char *);

int getopt(int, char * const [], const char *);
extern char *optarg;
extern int optind, opterr, optopt;

long pathconf(const char *, int);
long fpathconf(int, int);
long sysconf(int);
size_t confstr(int, char *, size_t);






int setreuid(uid_t, uid_t);
int setregid(gid_t, gid_t);
int lockf(int, int, off_t);
long gethostid(void);
int nice(int);
void sync(void);
pid_t setpgrp(void);
char *crypt(const char *, const char *);
void encrypt(char *, int);
void swab(const void *restrict, void *restrict, ssize_t);




int usleep(unsigned);
unsigned ualarm(unsigned, unsigned);






int brk(void *);
void *sbrk(intptr_t);
pid_t vfork(void);
int vhangup(void);
int chroot(const char *);
int getpagesize(void);
int getdtablesize(void);
int sethostname(const char *, size_t);
int getdomainname(char *, size_t);
int setdomainname(const char *, size_t);
int setgroups(size_t, const gid_t *);
char *getpass(const char *);
int daemon(int, int);
void setusershell(void);
void endusershell(void);
char *getusershell(void);
int acct(const char *);
long syscall(long, ...);
int execvpe(const char *, char *const [], char *const []);
int issetugid(void);
int getentropy(void *, size_t);
# 252 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/bits/posix.h" 1 3 4
# 253 "/usr/include/unistd.h" 2 3 4
# 4 "env1.c" 2


# 5 "env1.c"
extern char **environ;
char **env ;
int main()
{
env= environ;
while(*environ){
   puts(*environ);
   environ++;
}

char * p;
puts("----------------------\n");
if((p=getenv("USER")))
printf("USER =%s\n",p);
setenv("USER","test",1);
printf("USER=%s\n",getenv("USER"));


char * argv[]={"env2", 
# 23 "env1.c" 3 4
                      ((void*)0)
# 23 "env1.c"
                          };
execve("./env2",argv,env);
return 0;
}