#include <stdio.h>
#include <string.h>
#include <stdlib.h>
extern char **environ;
int main(int argc, char *argv[]) {
if (environ != NULL) {
for (size_t i = 0; environ[i]; ++i) {
puts(environ[i]);
if (strncmp(environ[i], "Common", 6) == 0) {
puts("END");
goto END;
}
}
printf("environ not found\n");
} END:
return 0;
}
/*
run:
ALLUSERSPROFILE=C:\abcxyz
APPDATA=C:\abc\xyz\AppData\Roaming
asl.log=Destination=file
CommonProgramFiles=C:\Program Files (x86)\Common Files
END
*/