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// makeCWrapper /hello/world \
--set PART1 HELLO \
--set-default PART2 WORLD \
--unset SOME_OTHER_VARIABLE \
--set PART3 $'"!!\n"'
#include <unistd.h>
#include <stdlib.h>
int main(int argc, char **argv) {
putenv("PART1=HELLO");
setenv("PART2", "WORLD", 0);
unsetenv("SOME_OTHER_VARIABLE");
putenv("PART3=\"!!\n\"");
argv[0] = "/hello/world";
return execv("/hello/world", argv);
}
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