Tools for code snippet execution

#!/bin/sh

body="$1"
out=$(mktemp /tmp/ccrun-XXXXXX)
src=${out}.c
cat > ${src} <<EOF
#include <limits.h>
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

#define UNUSED __attribute__((unused))

int main(int UNUSED argc,char UNUSED *argv[])
{
EOF
echo "$body" >> ${src}
echo -e "return 0;n}" >> ${src}
cc -std=c99 -Wall -Wextra ${CCRUN_FLAGS} -o ${out} ${src} -lm
shift
echo ${out} "$@"
${out} "$@"
#rm ${out} ${src}

$ ccrun 'int f(int a){return a+1;} int g(int a){return a+2;} int (*farr[2])(int) = {f,g}; for (int i=0; i<2; i++) printf("%d %dn",i,farr[i](i));'
/tmp/ccrun-6nT4Wo
0 1
1 3