i1 is defined at base.c:1 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  int
ui1 is defined at base.c:2 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned int
ui2 is defined at base.c:3 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned int
ul1 is defined at base.c:4 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned long
i2 is defined at base.c:5 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  const int
i3 is defined at base.c:6 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  signed int
ui3 is defined at base.c:7 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  volatile unsigned int
c1 is defined at base.c:8 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  char
c2 is defined at base.c:9 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned char
c3 is defined at base.c:10 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  signed char
ll1 is defined at base.c:11 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  long long
ull1 is defined at base.c:12 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned long long
s1 is defined at base.c:13 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  short
us1 is defined at base.c:14 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  unsigned short
s3 is defined at base.c:15 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  volatile signed short
d is defined at base.c:16 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  double
ld is defined at base.c:17 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  long double
f is defined at base.c:18 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  float
f2 is defined at base.c:19 [in global scope starting at base.c:1] as a 
variable with stgclass extern  of type:
  const float