25 lines
281 B
C
25 lines
281 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
extern char **environ;
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
char *var;
|
|
|
|
if(argc == 1) {
|
|
while(*environ)
|
|
printf("%s\n", *environ++);
|
|
|
|
return 0;
|
|
}
|
|
while(*++argv) {
|
|
if((var = getenv(*argv)))
|
|
printf("%s\n", var);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|