Compiling and running a C program in the shell by executing itself as shell script

run-in-shell.c

#if 0
clang -Wall -O2 -o /tmp/`basename $0` $0 && /tmp/`basename $0` $@; exit
#endif

//
// sh run-in-shell.c `whoami`
//

#include <stdio.h>

int main(int argc, char const* argv[]) {
	printf("Hello, %s!\n", argv[1]);

	return 0;
}