C script runs C code without temp space (tcc -run) and script stdin available to C

run_from_memory_stdin.c

#!/bin/bash

echo "foo"
tcc -run <(sed -n "/^\/\*\*$/,\$p" $0) 42

exit
/**
*/
#include <stdio.h>

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

  for(int ch=getchar(); EOF!=ch; ch=getchar())
    putchar(ch);

  return 0;
}

Demos passing "42" as argv[1], and keeping C code stdin the same as C script stdin:

$ route -n | ./run_from_memory_stdin.c 
foo
bar 42
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.29.58.98    0.0.0.0         UG    306    0        0 wlan1
10.0.0.0        0.0.0.0         255.255.255.0   U     0      0        0 wlan0
169.254.0.0     0.0.0.0         255.255.0.0     U     303    0        0 wlan0
172.29.58.96    0.0.0.0         255.255.255.252 U     306    0        0 wlan1
$